{
// This file specifies all the CSS properties we support and the necessary
// information for our code generation. The various supported arguments
// are described below with example usage

  parameters: {
    // - alias_for: "other-property"
    // Properties specifying alias_for should be virtually identical to the
    // properties they alias. Minor parsing differences are allowed as long as
    // the CSSValues created are of the same format of the aliased property.
    alias_for: {
    },

    // - runtime_flag: "CSSGridLayout"
    // The flag on RuntimeEnabledFeatures conditionally enables the property.
    // This doesn't currently work with alias_for.
    runtime_flag: {
    },

    // - is_descriptor
    // Whether it is the name of a CSS descriptor.
    // TODO(alancutter): Don't use CSSPropertyID for descriptors.
    is_descriptor: {
    },

    // - is_property
    // Whether it is the name of a CSS property.
    is_property: {
      default: true,
    },

    // - longhands: "property;other-property"
    // The property is a shorthand for several other properties.
    longhands: {
      default: '',
    },

    // - api_class: true|"classname"
    // Specifies the existence (and optionally name) of a CSSPropertyAPI
    // implementation for the property to be used by make_css_property_apis.py.
    // See core/css/properties/CSSPropertyAPI<PropertyName>.h for API details.
    // * Add this flag if the API has been implemented for this property.
    // * If the classname for this is different to the name of the property, specify a
    //   value for this flag. e.g. api_class=CSSPropertyAPIWebkitPadding
    // TODO(aazzam): When most properties have been implemented, modify this so that
    // properties with default classnames do not get this flag, and introduce a
    // 'not_implemented' flag instead.
    api_class: {
    },

    // - api_methods: ["method1", "method2"]
    // List of methods that are implemented in the CSSPropertyAPI for this property.
    // This is used by make_css_property_apis.py to specify which functions are defined
    // in the .h file for this property, and also used in CSSPropertyAPIFiles.h.tmpl to
    // generate declarations for only the methods this property has implementations for.
    api_methods: {
      default: [],
      valid_type: "list",
       // This list must be an ordered, complete list of methods whose names match those
       // defined in CSSPropertyDescriptor.h.
      valid_values: ["parseSingleValue", "parseShorthand"],
    },

    // - field_group
    // Name of the group that this field belongs to. Fields in the same group are stored
    // together as a nested class inside ComputedStyle and dynamically allocated on use.
    // Leave this out if the field is stored directly on ComputedStyle.
    field_group: {
      value_type: "str"
    },

    // - field_size
    // Number of bits needed to store this field. Only used for storage_only
    // fields. If specified, the field will be stored as bit field. Otherwise
    // it will be stored as a normal data member.
    field_size: {
      valid_type: "int",
    },

    // - field_template
    // Affects how the interface to this field is generated.
    // TODO(sashab, meade): Remove this once TypedOM types are specified for
    // every property, since this value can be inferred from that.
    field_template: {
      valid_values: [
        // Field is stored as an enum and has a initial/getter/setter/resetter.
        // If include_paths is empty, we would also generate the corresponding
        // enum definition in ComputedStyleConstants.h.
        "keyword",
        // Field stores a primitive value like int/bool. The type is specified by
        // type_name. The interface has a initial/getter/setter/resetter.
        "primitive",
        // Field is stored as a bool, whose default value is false
        // and can only be set to true. Has a initial/getter/setter.
        "monotonic_flag",
        // Field has type specified at type_name and has a getter/setter.
        // Also has a setter taking an rvalue reference. Cannot be packed.
        "external",
        // Only the storage is generated. The interface is handwritten.
        "storage_only",
      ],
    },

    // - include_paths: ["path/to/file1.h", "path/to/file2.h"]
    // List of files containing the definitions of types in 'type_name'. Each of
    // these files will appear as a #include in ComputedStyleBase.h. For
    // example, if the type_name is 'Vector<String>', include_paths should be
    // ["platform/wtf/Vector.h", "platform/wtf/text/WTFString.h"]
    include_paths: {
      default: [],
    },

    // Name of the pointer type that wraps this field (e.g. RefPtr).
    // Can only be set if the field template is storage_only.
    wrapper_pointer_name: {
      valid_type: "str",
      valid_values: ["RefPtr", "Persistent", "std::unique_ptr", "DataPersistent"],
    },

    // - keywords: ["keyword1", "keyword2"]
    // This specifies all valid keyword values for the property.
    // TODO(sashab): Once all properties are represented here, delete
    // CSSValueKeywords.in and use this list instead.
    keywords: {
      default: [],
    },

    // - default_value: "keyword-value"
    // This specifies the default value for this field.
    // - for keyword fields, this is the initial keyword
    // - for other fields, this is a string containg the C++ expression
    //   that is used to initialise the field.
    default_value: {
    },

    // Flags which go into CSSOMTypes:
    // - typedom_types: ["Type", "OtherType"]
    // The property can take types specified in typedom_types for CSS Typed OM.
    // Keyword does not need to be specified as every property can take keywords.
    // - separator
    // The property supports a list of values, and when there is more than one,
    // it is separated with this character.
    typedom_types: {
      default: [],
      valid_type: "list",
      valid_values: [
        "Angle",
        "Flex",
        "Frequency",
        "Length",
        "Number",
        "Percent",
        "Position",
        "Resolution",
        "Time",
        "Transform",
        "Unparsed",
        "Image"
      ],
    },
    separator: {
      valid_values: [",", " ", "/"],
    },

    // Flags which go into CSSPropertyMetadata:
    // - interpolable
    // The interpolable flag indicates whether a property can be animated smoothly.
    // If this flag is set, the property should also be added to the switch
    // statements in AnimatedStyleBuilder, CSSPropertyEquality and
    // CSSAnimatableValueFactory.
    // - inherited
    // The property will inherit by default if no value is specified, typically
    // mentioned in specifications as "Inherited: yes"
    interpolable: {
      default: false,
      valid_type: "bool",
    },
    inherited: {
      default: false,
      valid_type: "bool",
    },

    // - independent
    // This property affects only one field on ComputedStyle, and can be set
    // directly during inheritance instead of forcing a recalc.
    // StyleResolver and StyleAdjuster are not invoked when these properties
    // are changed on a parent. Recalcs only happen if at least one
    // non-independent inherited property is changed in the parent.
    independent: {
      default: false,
      valid_type: "bool",
    },

    // The remaining arguments are used for the StyleBuilder and allow us to
    // succinctly describe how to apply properties. When default handlers are not
    // sufficient, we should prefer to use converter, and failing that define
    // custom property handlers in StyleBuilderCustom.cpp. We only should use
    // StyleBuilderFunctions.cpp.tmpl to define handlers when there are multiple
    // properties requiring the same handling, but converter doesn't suffice.

    // - font
    // The default property handlers call into the FontBuilder instead of setting
    // values directly onto the ComputedStyle
    // - svg
    // The default property handlers access the SVGComputedStyle
    font: {
      default: false,
      valid_type: "bool",
    },
    svg: {
      default: false,
      valid_type: "bool",
    },

    // - name_for_methods: "BlendMode"
    // Tweaks how we choose defaults for getter, setter, initial and type_name.
    // For example, setting this to BlendMode will make us use a setter of setBlendMode
    // - initial
    // The initial value accessor on the ComputedStyle, defaults to e.g. initialBoxShadow
    // - getter
    // The ComputedStyle getter, defaults to e.g. borderBottomLeft
    // - setter
    // The ComputedStyle setter, defaults to e.g. setBorderBottomLeft
    // - type_name
    // The computed type for the property. Only required for the default value
    // application, defaults to e.g. EDisplay
    name_for_methods: {
    },
    getter: {
    },
    setter: {
    },
    initial: {
    },
    type_name: {
    },

    // - converter: "ConvertRadius"
    // The StyleBuilder will call the specified function on StyleBuilderConverter
    // to convert a CSSValue to an appropriate platform value
    converter: {
    },

    // - custom_initial
    // - custom_inherit
    // - custom_value
    // - custom_all
    // Handlers of the given types will be declared but not defined. Setting
    // custom_all is equivalent to setting the other three flags
    custom_all: {
      default: false,
      valid_type: "bool",
    },
    custom_initial: {
      default: false,
      valid_type: "bool",
    },
    custom_inherit: {
      default: false,
      valid_type: "bool",
    },
    custom_value: {
      default: false,
      valid_type: "bool",
    },

    // - use_handlers_for: "CSSPropertyTransform"
    // Use handlers for the specified property instead of defining new ones
    use_handlers_for: {
    },

    // - builder_skip
    // Ignore this property in the StyleBuilder
    builder_skip: {
      default: false,
      valid_type: "bool",
    },

    // - direction_aware
    // This property resolves to a different property based on the current direction
    // and writing mode.
    direction_aware: {
      default: false,
      valid_type: "bool",
    },

    // - priority: "High"
    // The priority level for computing the property. Valid values are
    // "Animation" (highest), "High" and "Low". Properties with the same
    // priority level are grouped and computed in alphabetical order. The
    // default value is "Low".
    priority: {
      default: "Low",
      valid_values: ["Animation", "High", "Low"],
    },

  },

  data: [
    // Properties with StyleBuilder handling

    // Animation Priority properties
    {
      name: "animation-delay",
      custom_all: true,
      priority: "Animation",
    },
    {
      name: "animation-direction",
      custom_all: true,
      keywords: ["normal", "reverse", "alternate", "alternate-reverse"],
      priority: "Animation",
      separator: ",",
    },
    {
      name: "animation-duration",
      custom_all: true,
      priority: "Animation",
    },
    {
      name: "animation-fill-mode",
      custom_all: true,
      priority: "Animation",
    },
    {
      name: "animation-iteration-count",
      custom_all: true,
      keywords: ["infinite"],
      priority: "Animation",
      separator: ",",
    },
    {
      name: "animation-name",
      api_class: true,
      api_methods: ["parseSingleValue"],
      custom_all: true,
      priority: "Animation",
    },
    {
      name: "animation-play-state",
      custom_all: true,
      priority: "Animation",
    },
    {
      name: "animation-timing-function",
      custom_all: true,
      priority: "Animation",
    },
    {
      name: "transition-delay",
      custom_all: true,
      priority: "Animation",
    },
    {
      name: "transition-duration",
      custom_all: true,
      priority: "Animation",
    },
    {
      name: "transition-property",
      custom_all: true,
      priority: "Animation",
    },
    {
      name: "transition-timing-function",
      custom_all: true,
      priority: "Animation",
    },

    // High Priority and all other font properties.
    // Other properties can depend upon high priority properties (e.g. font-size / ems)
    {
      name: "color",
      custom_all: true,
      inherited: true,
      interpolable: true,
      priority: "High",
    },
    {
      name: "direction",
      custom_value: true,
      type_name: "TextDirection",
      inherited: true,
      default_value: "ltr",
      field_template: "keyword",
      keywords: ["ltr", "rtl"],
      priority: "High",
      include_paths: ["platform/text/TextDirection.h"],
    },
    {
      name: "font-family",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertFontFamily",
      is_descriptor: true,
      font: true,
      inherited: true,
      name_for_methods: "FamilyDescription",
      priority: "High",
      type_name: "FontDescription::FamilyDescription",
    },
    {
      name: "font-kerning",
      font: true,
      inherited: true,
      name_for_methods: "Kerning",
      priority: "High",
      type_name: "FontDescription::Kerning",
    },
    {
      name: "font-size",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertFontSize",
      font: true,
      getter: "GetSize",
      inherited: true,
      interpolable: true,
      name_for_methods: "Size",
      priority: "High",
    },
    {
      name: "font-size-adjust",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertFontSizeAdjust",
      font: true,
      inherited: true,
      interpolable: true,
      name_for_methods: "SizeAdjust",
      priority: "High",
      runtime_flag: "CSSFontSizeAdjust",
    },
    {
      name: "font-stretch",
      is_descriptor: true,
      font: true,
      inherited: true,
      name_for_methods: "Stretch",
      priority: "High",
      type_name: "FontStretch",
    },
    {
      name: "font-style",
      is_descriptor: true,
      font: true,
      inherited: true,
      name_for_methods: "Style",
      priority: "High",
      type_name: "FontStyle",
    },
    {
      name: "font-variant-ligatures",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertFontVariantLigatures",
      font: true,
      inherited: true,
      name_for_methods: "VariantLigatures",
      priority: "High",
      type_name: "VariantLigatures",
    },
    {
      name: "font-variant-caps",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertFontVariantCaps",
      font: true,
      inherited: true,
      name_for_methods: "VariantCaps",
      priority: "High",
    },
    {
      name: "font-variant-numeric",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertFontVariantNumeric",
      font: true,
      inherited: true,
      name_for_methods: "VariantNumeric",
      priority: "High",
    },
    {
      name: "font-weight",
      converter: "ConvertFontWeight",
      is_descriptor: true,
      font: true,
      inherited: true,
      interpolable: true,
      name_for_methods: "Weight",
      priority: "High",
      type_name: "FontWeight",
    },
    {
      name: "font-feature-settings",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertFontFeatureSettings",
      is_descriptor: true,
      font: true,
      inherited: true,
      name_for_methods: "FeatureSettings",
      priority: "High",
    },
    {
      name: "font-variation-settings",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertFontVariationSettings",
      font: true,
      inherited: true,
      interpolable: true,
      name_for_methods: "VariationSettings",
      priority: "High",
      runtime_flag: "CSSVariableFonts",
    },
    {
      name: "-webkit-font-smoothing",
      font: true,
      inherited: true,
      priority: "High",
      type_name: "FontSmoothingMode",
    },
    {
      name: "-webkit-locale",
      custom_value: true,
      font: true,
      inherited: true,
      priority: "High",
    },
    {
      name: "text-orientation",
      custom_value: true,
      inherited: true,
      priority: "High",
      field_template: "keyword",
      keywords: ["sideways", "mixed", "upright"],
      default_value: "mixed",
      field_size: 2,
      field_group: "rare-inherited",
      getter: "GetTextOrientation"
    },
    {
      name: "-webkit-text-orientation",
      custom_value: true,
      inherited: true,
      priority: "High",
      type_name: "TextOrientation",
    },
    {
      name: "writing-mode",
      custom_value: true,
      inherited: true,
      default_value: "horizontal-tb",
      field_template: "keyword",
      keywords: ["horizontal-tb", "vertical-rl", "vertical-lr"],
      priority: "High",
      type_name: "WritingMode",
      include_paths: ["platform/text/WritingMode.h"],
    },
    {
      name: "-webkit-writing-mode",
      custom_value: true,
      inherited: true,
      priority: "High",
      type_name: "WritingMode",
    },
    {
      name: "text-rendering",
      font: true,
      inherited: true,
      priority: "High",
      type_name: "TextRenderingMode",
    },
    {
      name: "zoom",
      api_class: true,
      api_methods: ["parseSingleValue"],
      custom_all: true,
      is_descriptor: true,
      priority: "High",
      field_template: "storage_only",
      type_name: "float",
      default_value: "1.0",
      field_group: "visual",
    },

    {
      name: "align-content",
      api_methods: ["parseSingleValue"],
      api_class: "CSSPropertyAPIAlignOrJustifyContent",
      converter: "ConvertContentAlignmentData",
      initial: "InitialContentAlignment",
      field_template: "storage_only",
      type_name: "StyleContentAlignmentData",
      field_group: "rare-non-inherited",
      default_value: "StyleContentAlignmentData(kContentPositionNormal, kContentDistributionDefault, kOverflowAlignmentDefault)",
      include_paths: ["core/style/StyleContentAlignmentData.h"],
    },
    {
      name: "align-items",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertSelfOrDefaultAlignmentData",
      initial: "InitialDefaultAlignment",
      field_template: "storage_only",
      type_name: "StyleSelfAlignmentData",
      field_group: "rare-non-inherited",
      default_value: "StyleSelfAlignmentData(RuntimeEnabledFeatures::CSSGridLayoutEnabled() ? kItemPositionNormal : kItemPositionStretch, kOverflowAlignmentDefault)",
      include_paths: ["core/style/StyleSelfAlignmentData.h"],
    },
    {
      name: "alignment-baseline",
      svg: true,
    },
    {
      name: "align-self",
      api_class: "CSSPropertyAPIAlignOrJustifySelf",
      api_methods: ["parseSingleValue"],
      converter: "ConvertSelfOrDefaultAlignmentData",
      initial: "InitialSelfAlignment",
      field_template: "storage_only",
      type_name: "StyleSelfAlignmentData",
      field_group: "rare-non-inherited",
      default_value: "StyleSelfAlignmentData(kItemPositionAuto, kOverflowAlignmentDefault)",
      include_paths: ["core/style/StyleSelfAlignmentData.h"],
    },
    {
      name: "backdrop-filter",
      api_class: "CSSPropertyAPIFilter",
      converter: "ConvertFilterOperations",
      interpolable: true,
      runtime_flag: "CSSBackdropFilter",
    },
    {
      name: "backface-visibility",
      field_template: "storage_only",
      type_name: "EBackfaceVisibility",
      field_group: "rare-non-inherited",
      default_value: "kBackfaceVisibilityVisible",
      field_size: 1,
    },
    {
      name: "background-attachment",
      custom_all: true,
    },
    {
      name: "background-blend-mode",
      custom_all: true,
    },
    {
      name: "background-clip",
      custom_all: true,
    },
    {
      name: "background-color",
      custom_all: true,
      interpolable: true,
    },
    {
      name: "background-image",
      custom_all: true,
      interpolable: true,
      keywords: ["auto", "none"],
      typedom_types: ["Image"],
    },
    {
      name: "background-origin",
      custom_all: true,
    },
    {
      name: "background-position-x",
      custom_all: true,
      interpolable: true,
    },
    {
      name: "background-position-y",
      custom_all: true,
      interpolable: true,
    },
    {
      name: "background-repeat-x",
      custom_all: true,
    },
    {
      name: "background-repeat-y",
      custom_all: true,
    },
    {
      name: "background-size",
      custom_all: true,
      interpolable: true,
    },
    {
      name: "baseline-shift",
      api_class: true,
      api_methods: ["parseSingleValue"],
      custom_inherit: true,
      custom_value: true,
      interpolable: true,
      svg: true,
    },
    {
      name: "border-bottom-color",
      custom_all: true,
      interpolable: true,
      type_name: "Color",
      field_template: "storage_only",
      default_value: "0",
      field_group: "surround",
      include_paths: ["platform/graphics/Color.h"],
    },
    {
      name: "border-bottom-left-radius",
      api_class: "CSSPropertyAPIBorderRadius",
      api_methods: ["parseSingleValue"],
      converter: "ConvertRadius",
      interpolable: true,
      field_template: "external",
      include_paths: ["platform/LengthSize.h"],
      type_name: "LengthSize",
      field_group: "surround",
      default_value: "LengthSize(Length(0, kFixed), Length(0, kFixed))",
    },
    {
      name: "border-bottom-right-radius",
      api_class: "CSSPropertyAPIBorderRadius",
      api_methods: ["parseSingleValue"],
      converter: "ConvertRadius",
      interpolable: true,
      field_template: "external",
      include_paths: ["platform/LengthSize.h"],
      type_name: "LengthSize",
      field_group: "surround",
      default_value: "LengthSize(Length(0, kFixed), Length(0, kFixed))",
    },
    {
      name: "border-bottom-style",
      type_name: "EBorderStyle",
      field_template: "keyword",
      keywords: ["none", "hidden", "inset", "groove", "outset", "ridge", "dotted", "dashed", "solid", "double"],
      default_value: "none",
      typedom_types: ["Image"],
      field_group: "surround",
    },
    {
      name: "border-bottom-width",
      api_class: "CSSPropertyAPIBorderWidth",
      converter: "ConvertLineWidth<float>",
      initial: "InitialBorderWidth",
      interpolable: true,
      keywords: ["thin", "medium", "thick"],
      typedom_types: ["Length"],
      field_template: "storage_only",
      include_paths: ["platform/LayoutUnit.h"],
      type_name: "LayoutUnit",
      default_value: "LayoutUnit(3)",
      field_group: "surround",
    },
    {
      name: "border-collapse",
      independent: true,
      inherited: true,
      default_value: "separate",
      field_template: "keyword",
      keywords: ["separate", "collapse"],
    },
    {
      name: "border-image-outset",
      api_class: "CSSPropertyAPIBorderImageOutset",
      custom_all: true,
      interpolable: true,
    },
    {
      name: "border-image-repeat",
      api_class: "CSSPropertyAPIBorderImageRepeat",
      custom_all: true,
    },
    {
      name: "border-image-slice",
      api_class: "CSSPropertyAPIBorderImageSlice",
      custom_all: true,
      interpolable: true,
    },
    {
      name: "border-image-source",
      api_class: "CSSPropertyAPIImage",
      api_methods: ["parseSingleValue"],
      custom_value: true,
      interpolable: true,
      keywords: ["none"],
      typedom_types: ["Image"],
    },
    {
      name: "border-image-width",
      api_class: "CSSPropertyAPIBorderImageWidth",
      custom_all: true,
      interpolable: true,
    },
    {
      name: "border-left-color",
      custom_all: true,
      interpolable: true,
      field_template: "storage_only",
      include_paths: ["platform/graphics/Color.h"],
      type_name: "Color",
      default_value: "0",
      field_group: "surround",
    },
    {
      name: "border-left-style",
      type_name: "EBorderStyle",
      field_template: "keyword",
      keywords: ["none", "hidden", "inset", "groove", "outset", "ridge", "dotted", "dashed", "solid", "double"],
      default_value: "none",
      typedom_types: ["Image"],
      field_group: "surround",
    },
    {
      name: "border-left-width",
      api_class: "CSSPropertyAPIBorderWidth",
      converter: "ConvertLineWidth<float>",
      initial: "InitialBorderWidth",
      interpolable: true,
      keywords: ["thin", "medium", "thick"],
      typedom_types: ["Length"],
      field_template: "storage_only",
      include_paths: ["platform/LayoutUnit.h"],
      type_name: "LayoutUnit",
      default_value: "LayoutUnit(3)",
      field_group: "surround",
    },
    {
      name: "border-right-color",
      custom_all: true,
      interpolable: true,
      field_template: "storage_only",
      include_paths: ["platform/graphics/Color.h"],
      type_name: "Color",
      default_value: "0",
      field_group: "surround",
    },
    {
      name: "border-right-style",
      type_name: "EBorderStyle",
      typedom_types: ["Image"],
      field_template: "keyword",
      default_value: "none",
      keywords: ["none", "hidden", "inset", "groove", "outset", "ridge", "dotted", "dashed", "solid", "double"],
      field_group: "surround",
    },
    {
      name: "border-right-width",
      api_class: "CSSPropertyAPIBorderWidth",
      converter: "ConvertLineWidth<float>",
      initial: "InitialBorderWidth",
      interpolable: true,
      keywords: ["thin", "medium", "thick"],
      typedom_types: ["Length"],
      field_template: "storage_only",
      include_paths: ["platform/LayoutUnit.h"],
      type_name: "LayoutUnit",
      default_value: "LayoutUnit(3)",
      field_group: "surround",
    },
    {
      name: "border-top-color",
      custom_all: true,
      interpolable: true,
      field_template: "storage_only",
      include_paths: ["platform/graphics/Color.h"],
      type_name: "Color",
      default_value: "0",
      field_group: "surround",
    },
    {
      name: "border-top-left-radius",
      api_class: "CSSPropertyAPIBorderRadius",
      api_methods: ["parseSingleValue"],
      converter: "ConvertRadius",
      interpolable: true,
      field_template: "external",
      include_paths: ["platform/LengthSize.h"],
      type_name: "LengthSize",
      field_group: "surround",
      default_value: "LengthSize(Length(0, kFixed), Length(0, kFixed))",
    },
    {
      name: "border-top-right-radius",
      api_class: "CSSPropertyAPIBorderRadius",
      api_methods: ["parseSingleValue"],
      converter: "ConvertRadius",
      interpolable: true,
      field_template: "external",
      include_paths: ["platform/LengthSize.h"],
      type_name: "LengthSize",
      field_group: "surround",
      default_value: "LengthSize(Length(0, kFixed), Length(0, kFixed))",
    },
    {
      name: "border-top-style",
      type_name: "EBorderStyle",
      field_template: "keyword",
      default_value: "none",
      keywords: ["none", "hidden", "inset", "groove", "outset", "ridge", "dotted", "dashed", "solid", "double"],
      typedom_types: ["Image"],
      field_group: "surround",
    },
    {
      name: "border-top-width",
      api_class: "CSSPropertyAPIBorderWidth",
      converter: "ConvertLineWidth<float>",
      initial: "InitialBorderWidth",
      interpolable: true,
      keywords: ["thin", "medium", "thick"],
      typedom_types: ["Length"],
      field_template: "storage_only",
      include_paths: ["platform/LayoutUnit.h"],
      type_name: "LayoutUnit",
      default_value: "LayoutUnit(3)",
      field_group: "surround",
    },
    {
      name: "bottom",
      api_class: "CSSPropertyAPIMargin",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLengthOrAuto",
      interpolable: true,
      typedom_types: ["Length", "Percent"],
      keywords: ["auto"],
      field_template: "external",
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      field_group: "surround",
      default_value: "Length()",
    },
    {
      name: "box-shadow",
      converter: "ConvertShadowList",
      interpolable: true,
      field_template: "storage_only",
      type_name: "ShadowList",
      field_group: "rare-non-inherited",
      default_value: "nullptr",
      wrapper_pointer_name: "RefPtr",
    },
    {
      name: "box-sizing",
      field_template: "keyword",
      type_name: "EBoxSizing",
      default_value: "content-box",
      keywords: ["content-box", "border-box"],
      field_group: "box",
    },
    {
      name: "break-after",
      // Storage for this property also covers these legacy properties:
      // page-break-after, -webkit-column-break-after
      default_value: "auto",
      field_template: "keyword",
      keywords: [
        "auto", "avoid", "avoid-column", "avoid-page", "column", "left", "page", "recto", "right", "verso"
      ],
      type_name: "EBreakBetween",
    },
    {
      name: "break-before",
      // Storage for this property also covers these legacy properties:
      // page-break-before, -webkit-column-break-before
      default_value: "auto",
      field_template: "keyword",
      keywords: [
        "auto", "avoid", "avoid-column", "avoid-page", "column", "left", "page", "recto", "right", "verso"
      ],
      type_name: "EBreakBetween",
    },
    {
      name: "break-inside",
      // Storage for this property also covers these legacy properties:
      // page-break-inside, -webkit-column-break-inside
      default_value: "auto",
      field_template: "keyword",
      keywords: ["auto", "avoid", "avoid-column", "avoid-page"],
    },
    {
      name: "buffered-rendering",
      svg: true,
    },
    {
      name: "caption-side",
      independent: true,
      inherited: true,
      default_value: "top",
      field_template: "keyword",
      keywords: ["top", "bottom"],
    },
    {
      name: "caret-color",
      api_class: true,
      api_methods: ["parseSingleValue"],
      custom_all: true,
      inherited: true,
      interpolable: true,
      field_template: "storage_only",
      type_name: "Color",
      include_paths: ["platform/graphics/Color.h"],
      default_value: "Color()",
      field_group: "rare-inherited",
    },
    {
      name: "clear",
      default_value: "none",
      field_template: "keyword",
      keywords: ["none", "left", "right", "both"],
    },
    {
      name: "clip",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertClip",
      custom_all: true,
      interpolable: true,
      field_template: "storage_only",
      include_paths: ["platform/LengthBox.h"],
      type_name: "LengthBox",
      default_value: "LengthBox()",
      field_group: "visual",
    },
    {
      name: "clip-path",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertClipPath",
      interpolable: true,
      field_template: "storage_only",
      type_name: "ClipPathOperation",
      field_group: "rare-non-inherited",
      default_value: "nullptr",
      wrapper_pointer_name: "RefPtr",
      include_paths: ["core/style/ClipPathOperation.h"],
    },
    {
      name: "clip-rule",
      inherited: true,
      svg: true,
      type_name: "WindRule",
    },
    {
      name: "color-interpolation",
      inherited: true,
      svg: true,
    },
    {
      name: "color-interpolation-filters",
      inherited: true,
      svg: true,
      type_name: "EColorInterpolation",
    },
    {
      name: "color-rendering",
      inherited: true,
      svg: true,
    },
    {
      name: "column-fill",
      type_name: "ColumnFill",
      field_template: "storage_only",
      default_value: "kColumnFillBalance",
      field_size: 1,
      field_group: "rare-non-inherited->multi-col",
    },
    {
      name: "contain",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertFlags<Containment>",
      runtime_flag: "CSSContainment",
      name_for_methods: "Contain",
      type_name: "Containment",
      field_template: "storage_only",
      field_group: "rare-non-inherited",
      field_size: 4,
      default_value: "kContainsNone",
    },
    {
      name: "content",
      api_class: true,
      api_methods: ["parseSingleValue"],
      custom_all: true,
      separator: ",",
      typedom_types: ["Image"],
      type_name: "ContentData",
      field_template: "storage_only",
      field_group: "rare-non-inherited",
      default_value: "nullptr",
      wrapper_pointer_name: "Persistent",
      include_paths: ["core/style/ContentData.h"],
    },
    {
      name: "counter-increment",
      api_class: true,
      api_methods: ["parseSingleValue"],
      custom_all: true,
    },
    {
      name: "counter-reset",
      api_class: true,
      api_methods: ["parseSingleValue"],
      custom_all: true,
    },
    {
      name: "cursor",
      api_class: true,
      api_methods: ["parseSingleValue"],
      custom_all: true,
      inherited: true,
      field_template: "keyword",
      keywords: [
        "auto", "default", "none", "context-menu", "help", "pointer", "progress", "wait", "cell", "crosshair",
        "text", "vertical-text", "alias", "copy", "move", "no-drop", "not-allowed", "e-resize", "n-resize",
        "ne-resize", "nw-resize", "s-resize", "se-resize", "sw-resize", "w-resize", "ew-resize", "ns-resize",
        "nesw-resize", "nwse-resize", "col-resize", "row-resize", "all-scroll", "zoom-in", "zoom-out",
        "-webkit-grab", "-webkit-grabbing"
      ],
      default_value: "auto",
    },
    {
      name: "cx",
      api_class: "CSSPropertyAPIStrokeOrLength",
      converter: "ConvertLength",
      interpolable: true,
      svg: true,
    },
    {
      name: "cy",
      api_class: "CSSPropertyAPIStrokeOrLength",
      converter: "ConvertLength",
      interpolable: true,
      svg: true,
    },
    {
      name: "d",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertPathOrNone",
      interpolable: true,
      svg: true,
    },
    {
      name: "display",
      default_value: "inline",
      field_template: 'keyword',
      keywords: [
        "inline", "block", "list-item", "inline-block", "table", "inline-table", "table-row-group", "table-header-group",
        "table-footer-group", "table-row", "table-column-group", "table-column", "table-cell", "table-caption", "-webkit-box",
        "-webkit-inline-box", "flex", "inline-flex", "grid", "inline-grid", "contents", "flow-root", "none",
      ],
    },
    {
      name: "dominant-baseline",
      inherited: true,
      svg: true,
    },
    {
      name: "empty-cells",
      independent: true,
      inherited: true,
      default_value: "show",
      field_template: "keyword",
      keywords: ["show", "hide"],
      type_name: "EEmptyCells",
    },
    {
      name: "fill",
      api_class: "CSSPropertyAPIPaintStroke",
      api_methods: ["parseSingleValue"],
      custom_all: true,
      inherited: true,
      interpolable: true,
      setter: "SetFillPaint",
      svg: true,
    },
    {
      name: "fill-opacity",
      api_class: "CSSPropertyAPIOpacity",
      api_methods: ["parseSingleValue"],
      converter: "ConvertNumberOrPercentage",
      inherited: true,
      interpolable: true,
      svg: true,
    },
    {
      name: "fill-rule",
      inherited: true,
      svg: true,
      type_name: "WindRule",
    },
    {
      name: "filter",
      api_class: "CSSPropertyAPIFilter",
      converter: "ConvertFilterOperations",
      interpolable: true,
    },
    {
      name: "flex-basis",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertLengthOrAuto",
      interpolable: true,
      type_name: "Length",
      field_template: "storage_only",
      default_value: "Length(kAuto)",
      field_group: "rare-non-inherited->flexible-box",
    },
    {
      name: "flex-direction",
      type_name: "EFlexDirection",
      field_template: "storage_only",
      default_value: "kFlowRow",
      field_size: 2,
      field_group: "rare-non-inherited->flexible-box",
    },
    {
      name: "flex-grow",
      api_class: "CSSPropertyAPIFlexGrowOrShrink",
      api_methods: ["parseSingleValue"],
      interpolable: true,
      type_name: "float",
      field_template: "storage_only",
      default_value: "0.0f",
      field_group: "rare-non-inherited->flexible-box",
    },
    {
      name: "flex-shrink",
      api_class: "CSSPropertyAPIFlexGrowOrShrink",
      api_methods: ["parseSingleValue"],
      interpolable: true,
      type_name: "float",
      field_template: "storage_only",
      default_value: "1.0f",
      field_group: "rare-non-inherited->flexible-box",
    },
    {
      name: "flex-wrap",
      type_name: "EFlexWrap",
      field_template: "storage_only",
      default_value: "kFlexNoWrap",
      field_size: 2,
      field_group: "rare-non-inherited->flexible-box",
    },
    {
      name: "float",
      default_value: "none",
      field_template: "keyword",
      keywords: ["none", "left", "right"],
      name_for_methods: "Floating",
      type_name: "EFloat",
    },
    {
      name: "flood-color",
      api_class: "CSSPropertyAPIColor",
      api_methods: ["parseSingleValue"],
      converter: "ConvertColor",
      interpolable: true,
      svg: true,
    },
    {
      name: "flood-opacity",
      api_class: "CSSPropertyAPIOpacity",
      api_methods: ["parseSingleValue"],
      converter: "ConvertNumberOrPercentage",
      interpolable: true,
      svg: true,
    },
    {
      name: "grid-auto-columns",
      api_class: "CSSPropertyAPIGridAutoLine",
      converter: "ConvertGridTrackSizeList",
      runtime_flag: "CSSGridLayout",
      type_name: "Vector<GridTrackSize>",
      field_template: "storage_only",
      default_value: "Vector<GridTrackSize>(1, GridTrackSize(Length(kAuto)))",
      field_group: "rare-non-inherited->grid",
    },
    {
      name: "grid-auto-flow",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertGridAutoFlow",
      runtime_flag: "CSSGridLayout",
      type_name: "GridAutoFlow",
      field_template: "storage_only",
      default_value: "kAutoFlowRow",
      field_size: 4, // TODO(shend): Make this use "kGridAutoFlowBits".
      field_group: "rare-non-inherited->grid",
    },
    {
      name: "grid-auto-rows",
      api_class: "CSSPropertyAPIGridAutoLine",
      converter: "ConvertGridTrackSizeList",
      runtime_flag: "CSSGridLayout",
      type_name: "Vector<GridTrackSize>",
      field_template: "storage_only",
      default_value: "Vector<GridTrackSize>(1, GridTrackSize(Length(kAuto)))",
      field_group: "rare-non-inherited->grid",
    },
    {
      name: "grid-column-end",
      converter: "ConvertGridPosition",
      runtime_flag: "CSSGridLayout",
      api_class: "CSSPropertyAPIGridLine",
      type_name: "GridPosition",
      field_template: "storage_only",
      default_value: "GridPosition()",
      field_group: "rare-non-inherited->grid-item",
    },
    {
      name: "grid-column-gap",
      converter: "ConvertLength",
      runtime_flag: "CSSGridLayout",
      type_name: "Length",
      field_template: "storage_only",
      default_value: "Length(kFixed)",
      field_group: "rare-non-inherited->grid",
    },
    {
      name: "grid-column-start",
      api_class: "CSSPropertyAPIGridLine",
      converter: "ConvertGridPosition",
      runtime_flag: "CSSGridLayout",
      type_name: "GridPosition",
      field_template: "storage_only",
      default_value: "GridPosition()",
      field_group: "rare-non-inherited->grid-item",
    },
    {
      name: "grid-row-end",
      api_class: "CSSPropertyAPIGridLine",
      converter: "ConvertGridPosition",
      runtime_flag: "CSSGridLayout",
      type_name: "GridPosition",
      field_template: "storage_only",
      default_value: "GridPosition()",
      field_group: "rare-non-inherited->grid-item",
    },
    {
      name: "grid-row-gap",
      converter: "ConvertLength",
      runtime_flag: "CSSGridLayout",
      type_name: "Length",
      field_template: "storage_only",
      default_value: "Length(kFixed)",
      field_group: "rare-non-inherited->grid",
    },
    {
      name: "grid-row-start",
      api_class: "CSSPropertyAPIGridLine",
      converter: "ConvertGridPosition",
      runtime_flag: "CSSGridLayout",
      type_name: "GridPosition",
      field_template: "storage_only",
      default_value: "GridPosition()",
      field_group: "rare-non-inherited->grid-item",
    },
    {
      name: "grid-template-areas",
      api_class: true,
      custom_all: true,
      runtime_flag: "CSSGridLayout",
    },
    {
      name: "grid-template-columns",
      api_class: "CSSPropertyAPIGridTemplateLine",
      custom_all: true,
      runtime_flag: "CSSGridLayout",
      field_template: "storage_only",
      type_name: "Vector<GridTrackSize>",
      field_group: "rare-non-inherited->grid",
      default_value: "Vector<GridTrackSize>()",
    },
    {
      name: "grid-template-rows",
      api_class: "CSSPropertyAPIGridTemplateLine",
      custom_all: true,
      runtime_flag: "CSSGridLayout",
      field_template: "storage_only",
      type_name: "Vector<GridTrackSize>",
      field_group: "rare-non-inherited->grid",
      default_value: "Vector<GridTrackSize>()",
    },
    {
      name: "height",
      api_class: "CSSPropertyAPIWidthOrHeight",
      converter: "ConvertLengthSizing",
      is_descriptor: true,
      interpolable: true,
      typedom_types: ["Length", "Percent"],
      keywords: ["auto", "fit-content", "min-content", "max-content"],
      field_template: "external",
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      field_group: "box",
      default_value: "Length()",
    },
    {
      name: "hyphens",
      inherited: true,
      runtime_flag: "CSSHyphens",
      field_template: "keyword",
      type_name: "Hyphens",
      keywords: ["none", "manual", "auto"],
      default_value: "manual",
      field_group: "rare-inherited",
    },
    {
      name: "image-rendering",
      inherited: true,
      field_template: "keyword",
      keywords: ["auto", "optimize-speed", "optimize-quality", "-webkit-optimize-contrast", "pixelated"],
      default_value: "auto",
      field_group: "rare-inherited",
    },
    {
      name: "image-orientation",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertImageOrientation",
      inherited: true,
      name_for_methods: "RespectImageOrientation",
      runtime_flag: "ImageOrientation",
      field_template: "primitive",
      type_name: "bool",
      default_value: "false",
      field_group: "rare-inherited",
    },
    {
      name: "isolation",
      type_name: "EIsolation",
      field_template: "keyword",
      keywords: ["auto", "isolate"],
      field_group: "rare-non-inherited",
      field_size: 1,
      default_value: "auto",
    },
    {
      name: "justify-content",
      api_class: "CSSPropertyAPIAlignOrJustifyContent",
      api_methods: ["parseSingleValue"],
      converter: "ConvertContentAlignmentData",
      initial: "InitialContentAlignment",
      field_template: "storage_only",
      type_name: "StyleContentAlignmentData",
      field_group: "rare-non-inherited",
      default_value: "StyleContentAlignmentData(kContentPositionNormal, kContentDistributionDefault, kOverflowAlignmentDefault)",
      include_paths: ["core/style/StyleContentAlignmentData.h"],
    },
    {
      name: "justify-items",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertSelfOrDefaultAlignmentData",
      initial: "InitialSelfAlignment",
      runtime_flag: "CSSGridLayout",
      field_template: "storage_only",
      type_name: "StyleSelfAlignmentData",
      field_group: "rare-non-inherited",
      default_value: "StyleSelfAlignmentData(kItemPositionAuto, kOverflowAlignmentDefault)",
      include_paths: ["core/style/StyleSelfAlignmentData.h"],
    },
    {
      name: "justify-self",
      api_class: "CSSPropertyAPIAlignOrJustifySelf",
      api_methods: ["parseSingleValue"],
      converter: "ConvertSelfOrDefaultAlignmentData",
      initial: "InitialSelfAlignment",
      runtime_flag: "CSSGridLayout",
      field_template: "storage_only",
      type_name: "StyleSelfAlignmentData",
      field_group: "rare-non-inherited",
      default_value: "StyleSelfAlignmentData(kItemPositionAuto, kOverflowAlignmentDefault)",
      include_paths: ["core/style/StyleSelfAlignmentData.h"],
    },
    {
      name: "left",
      api_class: "CSSPropertyAPIMargin",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLengthOrAuto",
      interpolable: true,
      typedom_types: ["Length", "Percent"],
      keywords: ["auto"],
      field_template: "external",
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      field_group: "surround",
      default_value: "Length()",
    },
    {
      name: "letter-spacing",
      api_class: "CSSPropertyAPILetterAndWordSpacing",
      api_methods: ["parseSingleValue"],
      converter: "ConvertSpacing",
      inherited: true,
      initial: "InitialLetterWordSpacing",
      interpolable: true,
    },
    {
      name: "lighting-color",
      api_class: "CSSPropertyAPIColor",
      api_methods: ["parseSingleValue"],
      converter: "ConvertColor",
      interpolable: true,
      svg: true,
    },
    {
      name: "line-height",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertLineHeight",
      getter: "SpecifiedLineHeight",
      inherited: true,
      interpolable: true,
      field_template: "storage_only",
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      default_value: "Length(-100.0, kPercent)",
      field_group: "inherited",
    },
    {
      name: "line-height-step",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertComputedLength<uint8_t>",
      inherited: true,
      runtime_flag: "CSSSnapSize",
      field_template: "primitive",
      type_name: "uint8_t",
      default_value: "0",
      field_group: "rare-inherited",
    },
    {
      name: "list-style-image",
      api_class: "CSSPropertyAPIImage",
      api_methods: ["parseSingleValue"],
      custom_value: true,
      inherited: true,
      interpolable: true,
      typedom_types: ["Image"],
      field_template: "storage_only",
      type_name: "StyleImage",
      wrapper_pointer_name: "Persistent",
      default_value: "nullptr",
      field_group: "rare-inherited",
    },
    {
      name: "list-style-position",
      independent: true,
      inherited: true,
      default_value: "outside",
      field_template: "keyword",
      keywords: ["outside", "inside"],
    },
    {
      name: "list-style-type",
      inherited: true,
      default_value: "disc",
      field_template: "keyword",
      keywords: [
        "disc", "circle", "square", "decimal", "decimal-leading-zero", "arabic-indic", "bengali", "cambodian", "khmer", "devanagari", "gujarati", "gurmukhi", "kannada", "lao", "malayalam", "mongolian", "myanmar", "oriya", "persian", "urdu", "telugu", "tibetan", "thai", "lower-roman", "upper-roman", "lower-greek", "lower-alpha", "lower-latin", "upper-alpha", "upper-latin", "cjk-earthly-branch", "cjk-heavenly-stem", "ethiopic-halehame", "ethiopic-halehame-am", "ethiopic-halehame-ti-er", "ethiopic-halehame-ti-et", "hangul", "hangul-consonant", "korean-hangul-formal", "korean-hanja-formal", "korean-hanja-informal", "hebrew", "armenian", "lower-armenian", "upper-armenian", "georgian", "cjk-ideographic", "simp-chinese-formal", "simp-chinese-informal", "trad-chinese-formal", "trad-chinese-informal", "hiragana", "katakana", "hiragana-iroha", "katakana-iroha", "none",
      ],
    },
    {
      name: "margin-bottom",
      api_class: "CSSPropertyAPIMargin",
      api_methods: ["parseSingleValue"],
      converter: "ConvertQuirkyLength",
      interpolable: true,
      field_template: "external",
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      field_group: "surround",
      default_value: "Length(kFixed)",
    },
    {
      name: "margin-left",
      api_class: "CSSPropertyAPIMargin",
      api_methods: ["parseSingleValue"],
      converter: "ConvertQuirkyLength",
      interpolable: true,
      field_template: "external",
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      field_group: "surround",
      default_value: "Length(kFixed)",
    },
    {
      name: "margin-right",
      api_class: "CSSPropertyAPIMargin",
      api_methods: ["parseSingleValue"],
      converter: "ConvertQuirkyLength",
      interpolable: true,
      field_template: "external",
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      field_group: "surround",
      default_value: "Length(kFixed)",
    },
    {
      name: "margin-top",
      api_class: "CSSPropertyAPIMargin",
      api_methods: ["parseSingleValue"],
      converter: "ConvertQuirkyLength",
      interpolable: true,
      field_template: "external",
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      field_group: "surround",
      default_value: "Length(kFixed)",
    },
    {
      name: "marker-end",
      api_class: "CSSPropertyAPIMarker",
      converter: "ConvertFragmentIdentifier",
      inherited: true,
      name_for_methods: "MarkerEndResource",
      svg: true,
    },
    {
      name: "marker-mid",
      api_class: "CSSPropertyAPIMarker",
      converter: "ConvertFragmentIdentifier",
      inherited: true,
      name_for_methods: "MarkerMidResource",
      svg: true,
    },
    {
      name: "marker-start",
      api_class: "CSSPropertyAPIMarker",
      converter: "ConvertFragmentIdentifier",
      inherited: true,
      name_for_methods: "MarkerStartResource",
      svg: true,
    },
    {
      name: "mask",
      api_class: "CSSPropertyAPIMarker",
      converter: "ConvertFragmentIdentifier",
      name_for_methods: "MaskerResource",
      svg: true,
    },
    {
      name: "mask-source-type",
      custom_all: true,
      runtime_flag: "CSSMaskSourceType",
    },
    {
      name: "mask-type",
      svg: true,
    },
    {
      name: "max-height",
      converter: "ConvertLengthMaxSizing",
      is_descriptor: true,
      interpolable: true,
      field_template: "external",
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      field_group: "box",
      default_value: "Length(kMaxSizeNone)",
    },
    {
      name: "max-width",
      converter: "ConvertLengthMaxSizing",
      is_descriptor: true,
      interpolable: true,
      field_template: "external",
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      field_group: "box",
      default_value: "Length(kMaxSizeNone)",
    },
    {
      name: "min-height",
      api_class: "CSSPropertyAPIWidthOrHeight",
      converter: "ConvertLengthSizing",
      is_descriptor: true,
      interpolable: true,
      field_template: "external",
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      field_group: "box",
      default_value: "Length()",
    },
    {
      name: "min-width",
      api_class: "CSSPropertyAPIWidthOrHeight",
      converter: "ConvertLengthSizing",
      is_descriptor: true,
      interpolable: true,
      field_template: "external",
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      field_group: "box",
      default_value: "Length()",
    },
    {
      name: "mix-blend-mode",
      name_for_methods: "BlendMode",
      type_name: "blink::WebBlendMode",
    },
    {
      name: "object-fit",
      field_template: "keyword",
      keywords: ["fill", "contain", "cover", "none", "scale-down"],
      field_group: "rare-non-inherited",
      field_size: 3,
      getter: "GetObjectFit",
      default_value: "fill",
    },
    {
      name: "object-position",
      converter: "ConvertPosition",
      interpolable: true,
      field_template: "external",
      type_name: "LengthPoint",
      include_paths: ["platform/LengthPoint.h"],
      field_group: "rare-non-inherited",
      default_value: "LengthPoint(Length(50.0, kPercent), Length(50.0, kPercent))",
    },
    {
      name: "offset-anchor",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertPositionOrAuto",
      interpolable: true,
      runtime_flag: "CSSOffsetPositionAnchor",
    },
    {
      name: "offset-distance",
      api_class: true,
      converter: "ConvertLength",
      interpolable: true,
    },
    {
      name: "offset-path",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertOffsetPath",
    },
    {
      name: "offset-position",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertPositionOrAuto",
      interpolable: true,
      runtime_flag: "CSSOffsetPositionAnchor",
    },
    {
      name: "offset-rotate",
      api_class: "CSSPropertyAPIOffsetRotate",
      converter: "ConvertOffsetRotate",
      interpolable: true,
    },
    // Whether or not we're transparent.
    {
      name: "opacity",
      api_class: "CSSPropertyAPIOpacity",
      api_methods: ["parseSingleValue"],
      interpolable: true,
      field_template: "storage_only",
      type_name: "float",
      field_group: "rare-non-inherited",
      default_value: "1.0",
    },
    {
      name: "order",
      api_class: true,
      api_methods: ["parseSingleValue"],
      interpolable: true,
      field_template: "storage_only",
      type_name: "int",
      field_group: "rare-non-inherited",
      default_value: "0",
    },
    {
      name: "orphans",
      api_class: "CSSPropertyAPIFragmentation",
      api_methods: ["parseSingleValue"],
      inherited: true,
      interpolable: true,
      type_name: "short",
      field_template: "primitive",
      default_value: "2",
      field_group: "rare-inherited",
    },
    {
      name: "outline-color",
      api_class: true,
      api_methods: ["parseSingleValue"],
      custom_all: true,
      interpolable: true,
    },
    {
      name: "outline-offset",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertComputedLength<int>",
      interpolable: true,
    },
    {
      name: "outline-style",
      custom_all: true,
    },
    {
      name: "outline-width",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertLineWidth<unsigned short>",
      interpolable: true,
    },
    {
      name: "overflow-anchor",
      runtime_flag: "ScrollAnchoring",
      inherited: false,
      default_value: "auto",
      field_template: "keyword",
      keywords: [
        "visible", "none", "auto",
      ],
    },
    {
      name: "overflow-wrap",
      inherited: true,
      field_template: "keyword",
      keywords: ["normal", "break-word"],
      default_value: "normal",
      field_size: 1,
      field_group: "rare-inherited",
    },
    {
      name: "overflow-x",
      default_value: "visible",
      field_template: "keyword",
      keywords: [
        "visible", "hidden", "scroll", "auto", "overlay", "-webkit-paged-x", "-webkit-paged-y",
      ],
      type_name: "EOverflow",
    },
    {
      name: "overflow-y",
      default_value: "visible",
      field_template: "keyword",
      keywords: [
        "visible", "hidden", "scroll", "auto", "overlay", "-webkit-paged-x", "-webkit-paged-y",
      ],
      type_name: "EOverflow",
    },
    {
      name: "padding-bottom",
      api_class: "CSSPropertyAPIPadding",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLength",
      interpolable: true,
      field_template: "external",
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      field_group: "surround",
      default_value: "Length(kFixed)",
    },
    {
      name: "padding-left",
      api_class: "CSSPropertyAPIPadding",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLength",
      interpolable: true,
      field_template: "external",
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      field_group: "surround",
      default_value: "Length(kFixed)",
    },
    {
      name: "padding-right",
      api_class: "CSSPropertyAPIPadding",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLength",
      interpolable: true,
      field_template: "external",
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      field_group: "surround",
      default_value: "Length(kFixed)",
    },
    {
      name: "padding-top",
      api_class: "CSSPropertyAPIPadding",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLength",
      interpolable: true,
      field_template: "external",
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      field_group: "surround",
      default_value: "Length(kFixed)",
    },
    {
      name: "paint-order",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertPaintOrder",
      inherited: true,
      svg: true,
    },
    {
      name: "perspective",
      api_class: "CSSPropertyAPIPerspective",
      converter: "ConvertPerspective",
      interpolable: true,
      field_template: "storage_only",
      type_name: "float",
      field_group: "rare-non-inherited",
      default_value: "0.0",
    },
    {
      name: "perspective-origin",
      converter: "ConvertPosition",
      interpolable: true,
      field_template: "storage_only",
      type_name: "LengthPoint",
      field_group: "rare-non-inherited",
      default_value: "LengthPoint(Length(50.0, kPercent), Length(50.0, kPercent))",
    },
    {
      name: "pointer-events",
      independent: true,
      inherited: true,
      default_value: "auto",
      field_template: "keyword",
      keywords: [
        "none", "auto", "stroke", "fill", "painted", "visible", "visibleStroke", "visibleFill", "visiblePainted", "bounding-box", "all",
      ],
    },
    {
      name: "position",
      custom_inherit: true,
      default_value: "static",
      field_template: "keyword",
      getter: "GetPosition",
      keywords: [
        "static", "relative", "absolute", "fixed", "sticky",
      ],
    },
    {
      name: "quotes",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertQuotes",
      inherited: true,
      field_template: "storage_only",
      type_name: "QuotesData",
      include_paths: ["core/style/QuotesData.h"],
      default_value: "nullptr",
      wrapper_pointer_name: "RefPtr",
      field_group: "rare-inherited",
    },
    {
      name: "resize",
      custom_value: true,
      field_template: "storage_only",
      field_group: "rare-non-inherited",
      field_size: 2,
      default_value: "EResize::kNone",
    },
    {
      name: "right",
      api_class: "CSSPropertyAPIMargin",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLengthOrAuto",
      interpolable: true,
      typedom_types: ["Length", "Percent"],
      keywords: ["auto"],
      field_template: "external",
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      field_group: "surround",
      default_value: "Length()",
    },
    {
      name: "r",
      api_class: "CSSPropertyAPIStrokeOrLength",
      converter: "ConvertLength",
      interpolable: true,
      svg: true,
    },
    {
      name: "rx",
      api_class: "CSSPropertyAPIRadius",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLengthOrAuto",
      interpolable: true,
      svg: true,
    },
    {
      name: "ry",
      api_class: "CSSPropertyAPIRadius",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLengthOrAuto",
      interpolable: true,
      svg: true,
    },
    {
      name: "scroll-behavior",
      runtime_flag: "CSSOMSmoothScroll",
      type_name: "ScrollBehavior",
      field_template: "storage_only",
      field_group: "rare-non-inherited",
      field_size: 2,
      default_value: "kScrollBehaviorAuto",
    },
    {
      name: "scroll-snap-type",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertSnapType",
      getter: "GetScrollSnapType",
      runtime_flag: "CSSScrollSnapPoints",
      field_template: "storage_only",
      type_name: "ScrollSnapType",
      field_group: "rare-non-inherited->scroll-snap",
      include_paths: ["core/style/ScrollSnap.h"],
      default_value: "ScrollSnapType()",
    },
    {
      name: "scroll-snap-align",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertSnapAlign",
      getter: "GetScrollSnapAlign",
      runtime_flag: "CSSScrollSnapPoints",
      field_template: "storage_only",
      type_name: "ScrollSnapAlign",
      field_group: "rare-non-inherited->scroll-snap",
      default_value: "ScrollSnapAlign()",
      include_paths: ["core/style/ScrollSnap.h"],
    },
    {
      name: "scroll-snap-stop",
      default_value: "normal",
      field_template: "keyword",
      keywords: ["normal", "always"],
      runtime_flag: "CSSScrollSnapPoints",
    },
    {
      name: "scroll-padding-top",
      api_class: "CSSPropertyAPIScrollPadding",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLength",
      initial: "InitialScrollPadding",
      include_paths: ["platform/Length.h"],
      typedom_types: ["Length", "Percent"],
      type_name: "Length",
      runtime_flag: "CSSScrollSnapPoints",
    },
    {
      name: "scroll-padding-bottom",
      api_class: "CSSPropertyAPIScrollPadding",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLength",
      initial: "InitialScrollPadding",
      include_paths: ["platform/Length.h"],
      typedom_types: ["Length", "Percent"],
      type_name: "Length",
      runtime_flag: "CSSScrollSnapPoints",
    },
    {
      name: "scroll-padding-left",
      api_class: "CSSPropertyAPIScrollPadding",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLength",
      initial: "InitialScrollPadding",
      include_paths: ["platform/Length.h"],
      typedom_types: ["Length", "Percent"],
      type_name: "Length",
      runtime_flag: "CSSScrollSnapPoints",
    },
    {
      name: "scroll-padding-right",
      api_class: "CSSPropertyAPIScrollPadding",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLength",
      initial: "InitialScrollPadding",
      include_paths: ["platform/Length.h"],
      typedom_types: ["Length", "Percent"],
      type_name: "Length",
      runtime_flag: "CSSScrollSnapPoints",
    },
    {
      name: "scroll-padding-block-start",
      api_class: "CSSPropertyAPIScrollPadding",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLength",
      initial: "InitialScrollPadding",
      include_paths: ["platform/Length.h"],
      typedom_types: ["Length", "Percent"],
      type_name: "Length",
      direction_aware: true,
      runtime_flag: "CSSScrollSnapPoints",
    },
    {
      name: "scroll-padding-block-end",
      api_class: "CSSPropertyAPIScrollPadding",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLength",
      initial: "InitialScrollPadding",
      include_paths: ["platform/Length.h"],
      typedom_types: ["Length", "Percent"],
      type_name: "Length",
      direction_aware: true,
      runtime_flag: "CSSScrollSnapPoints",
    },
    {
      name: "scroll-padding-inline-start",
      api_class: "CSSPropertyAPIScrollPadding",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLength",
      initial: "InitialScrollPadding",
      include_paths: ["platform/Length.h"],
      typedom_types: ["Length", "Percent"],
      type_name: "Length",
      direction_aware: true,
      runtime_flag: "CSSScrollSnapPoints",
    },
    {
      name: "scroll-padding-inline-end",
      api_class: "CSSPropertyAPIScrollPadding",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLength",
      initial: "InitialScrollPadding",
      include_paths: ["platform/Length.h"],
      typedom_types: ["Length", "Percent"],
      type_name: "Length",
      direction_aware: true,
      runtime_flag: "CSSScrollSnapPoints",
    },
    {
      name: "scroll-snap-margin-top",
      api_class: "CSSPropertyAPIScrollSnapMargin",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLength",
      initial: "InitialScrollSnapMargin",
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      runtime_flag: "CSSScrollSnapPoints",
    },
    {
      name: "scroll-snap-margin-bottom",
      api_class: "CSSPropertyAPIScrollSnapMargin",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLength",
      initial: "InitialScrollSnapMargin",
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      runtime_flag: "CSSScrollSnapPoints",
    },
    {
      name: "scroll-snap-margin-left",
      api_class: "CSSPropertyAPIScrollSnapMargin",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLength",
      initial: "InitialScrollSnapMargin",
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      runtime_flag: "CSSScrollSnapPoints",
    },
    {
      name: "scroll-snap-margin-right",
      api_class: "CSSPropertyAPIScrollSnapMargin",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLength",
      initial: "InitialScrollSnapMargin",
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      runtime_flag: "CSSScrollSnapPoints",
    },
    {
      name: "scroll-snap-margin-block-start",
      api_class: "CSSPropertyAPIScrollSnapMargin",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLength",
      initial: "InitialScrollSnapMargin",
      direction_aware: true,
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      runtime_flag: "CSSScrollSnapPoints",
    },
    {
      name: "scroll-snap-margin-block-end",
      api_class: "CSSPropertyAPIScrollSnapMargin",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLength",
      initial: "InitialScrollSnapMargin",
      direction_aware: true,
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      runtime_flag: "CSSScrollSnapPoints",
    },
    {
      name: "scroll-snap-margin-inline-start",
      api_class: "CSSPropertyAPIScrollSnapMargin",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLength",
      initial: "InitialScrollSnapMargin",
      direction_aware: true,
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      runtime_flag: "CSSScrollSnapPoints",
    },
    {
      name: "scroll-snap-margin-inline-end",
      api_class: "CSSPropertyAPIScrollSnapMargin",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLength",
      initial: "InitialScrollSnapMargin",
      direction_aware: true,
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      runtime_flag: "CSSScrollSnapPoints",
    },
    {
      name: "shape-image-threshold",
      api_class: true,
      api_methods: ["parseSingleValue"],
      interpolable: true,
      field_template: "storage_only",
      type_name: "float",
      field_group: "rare-non-inherited",
      default_value: "0.0",
    },
    {
      name: "shape-margin",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertLength",
      interpolable: true,
      field_template: "external",
      type_name: "Length",
      include_paths: ["platform/Length.h"],
      field_group: "rare-non-inherited",
      default_value: "Length(0, kFixed)",
    },
    {
      name: "shape-outside",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertShapeValue",
      interpolable: true,
      typedom_types: ["Image"],
      field_template: "storage_only",
      type_name: "ShapeValue",
      field_group: "rare-non-inherited",
      default_value: "nullptr",
      wrapper_pointer_name: "Persistent",
      include_paths: ["core/style/ShapeValue.h"],
    },
    {
      name: "shape-rendering",
      inherited: true,
      svg: true,
    },
    {
      name: "size",
      api_class: true,
      api_methods: ["parseSingleValue"],
      custom_all: true,
    },
    {
      name: "speak",
      inherited: true,
      field_template: "keyword",
      keywords: ["none", "normal", "spell-out", "digits", "literal-punctuation", "no-punctuation"],
      default_value: "normal",
      field_group: "rare-inherited",
    },
    {
      name: "stop-color",
      api_class: "CSSPropertyAPIColor",
      api_methods: ["parseSingleValue"],
      converter: "ConvertColor",
      interpolable: true,
      svg: true,
    },
    {
      name: "stop-opacity",
      api_class: "CSSPropertyAPIOpacity",
      api_methods: ["parseSingleValue"],
      converter: "ConvertNumberOrPercentage",
      interpolable: true,
      svg: true,
    },
    {
      name: "stroke",
      api_class: "CSSPropertyAPIPaintStroke",
      api_methods: ["parseSingleValue"],
      custom_all: true,
      inherited: true,
      interpolable: true,
      setter: "SetStrokePaint",
      svg: true,
    },
    {
      name: "stroke-dasharray",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertStrokeDasharray",
      inherited: true,
      interpolable: true,
      name_for_methods: "StrokeDashArray",
      svg: true,
    },
    {
      name: "stroke-dashoffset",
      api_class: "CSSPropertyAPIStrokeOrLength",
      converter: "ConvertLength",
      inherited: true,
      interpolable: true,
      name_for_methods: "StrokeDashOffset",
      svg: true,
    },
    {
      name: "stroke-linecap",
      inherited: true,
      name_for_methods: "CapStyle",
      svg: true,
      type_name: "LineCap",
    },
    {
      name: "stroke-linejoin",
      inherited: true,
      name_for_methods: "JoinStyle",
      svg: true,
      type_name: "LineJoin",
    },
    {
      name: "stroke-miterlimit",
      api_class: true,
      api_methods: ["parseSingleValue"],
      inherited: true,
      interpolable: true,
      name_for_methods: "StrokeMiterLimit",
      svg: true,
      type_name: "float",
    },
    {
      name: "stroke-opacity",
      api_class: "CSSPropertyAPIOpacity",
      api_methods: ["parseSingleValue"],
      converter: "ConvertNumberOrPercentage",
      inherited: true,
      interpolable: true,
      svg: true,
    },
    {
      name: "stroke-width",
      api_class: "CSSPropertyAPIStrokeOrLength",
      converter: "ConvertUnzoomedLength",
      inherited: true,
      interpolable: true,
      svg: true,
    },
    {
      name: "table-layout",
      default_value: "auto",
      field_template: "keyword",
      keywords: [
        "auto", "fixed"
      ]
    },
    {
      name: "tab-size",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertLengthOrTabSpaces",
      inherited: true,
      getter: "GetTabSize",
      type_name: "TabSize",
      include_paths: ["platform/text/TabSize.h"],
      field_template: "external",
      default_value: "TabSize(8)",
      field_group: "rare-inherited",
    },
    {
      name: "text-align",
      custom_value: true,
      independent: false,
      inherited: true,
      default_value: "start",
      field_template: "keyword",
      getter: "GetTextAlign",
      keywords: [
        "left", "right", "center", "justify", "webkitLeft", "webkitRight", "webkitCenter", "start", "end",
      ],
    },
    {
      name: "text-align-last",
      inherited: true,
      field_template: "keyword",
      keywords: ["auto", "start", "end", "left", "right", "center", "justify"],
      default_value: "auto",
      field_size: 3,
      field_group: "rare-inherited",
    },
    {
      name: "text-anchor",
      inherited: true,
      svg: true,
    },
    {
      name: "text-combine-upright",
      inherited: true,
      name_for_methods: "TextCombine",
      field_template: "keyword",
      keywords: ["none", "all"],
      default_value: "none",
      field_size: 1,
      field_group: "rare-inherited",
    },
    {
      name: "text-decoration",
      api_class: true,
      longhands: "text-decoration-line;text-decoration-style;text-decoration-color",
      use_handlers_for: "CSSPropertyTextDecorationLine",
    },
    {
      name: "text-decoration-color",
      api_class: true,
      api_methods: ["parseSingleValue"],
      custom_all: true,
      interpolable: true,
      runtime_flag: "CSS3TextDecorations",
      field_template: "external",
      type_name: "StyleColor",
      include_paths: ["core/css/StyleColor.h"],
      field_group: "rare-non-inherited",
      default_value: "StyleColor::CurrentColor()",
    },
    {
      name: "text-decoration-line",
      api_class: "CSSPropertyAPITextDecorationLine",
      converter: "ConvertFlags<TextDecoration>",
      name_for_methods: "TextDecoration",
      runtime_flag: "CSS3TextDecorations",
      type_name: "TextDecoration",
    },
    {
      name: "text-decoration-skip",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertFlags<TextDecorationSkip>",
      inherited: true,
      runtime_flag: "CSS3TextDecorations",
      field_template: "storage_only",
      type_name: "TextDecorationSkip",
      default_value: "TextDecorationSkip::kObjects",
      field_size: 3,
      field_group: "rare-inherited",
    },
    {
      name: "text-decoration-style",
      runtime_flag: "CSS3TextDecorations",
      field_template: "keyword",
      keywords: ["solid", "double", "dotted", "dashed", "wavy"],
      field_group: "rare-non-inherited",
      default_value: "solid",
    },
    {
      name: "text-indent",
      api_class: true,
      api_methods: ["parseSingleValue"],
      custom_all: true,
      inherited: true,
      interpolable: true,
      field_template: "external",
      type_name: "Length",
      include_paths: ["platform/Length.h"],
      default_value: "Length(kFixed)",
      field_group: "rare-inherited",
    },
    {
      name: "text-justify",
      inherited: true,
      runtime_flag: "CSS3Text",
      getter: "GetTextJustify",
      field_template: "keyword",
      type_name: "TextJustify",
      include_paths: ["platform/text/TextJustify.h"],
      default_value: "auto",
      keywords: ["auto", "none", "inter-word", "distribute"],
      field_group: "rare-inherited",
    },
    {
      name: "text-overflow",
      field_template: "keyword",
      field_group: "rare-non-inherited",
      default_value: "clip",
      keywords: ["clip", "ellipsis"],
    },
    {
      name: "text-shadow",
      converter: "ConvertShadowList",
      inherited: true,
      interpolable: true,
      field_template: "storage_only",
      type_name: "ShadowList",
      include_paths: ["core/style/ShadowList.h"],
      wrapper_pointer_name: "RefPtr",
      default_value: "nullptr",
      field_group: "rare-inherited",
    },
    {
      name: "text-size-adjust",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertTextSizeAdjust",
      inherited: true,
      getter: "GetTextSizeAdjust",
      field_template: "external",
      type_name: "TextSizeAdjust",
      include_paths: ["core/style/TextSizeAdjust.h"],
      default_value: "TextSizeAdjust::AdjustAuto()",
      field_group: "rare-inherited",
    },
    {
      name: "text-transform",
      independent: true,
      inherited: true,
      default_value: "none",
      field_template: "keyword",
      keywords: ["capitalize", "uppercase", "lowercase", "none"],
    },
    // FIXME: Implement support for 'under left' and 'under right' values.
    {
      name: "text-underline-position",
      api_class: true,
      api_methods: ["parseSingleValue"],
      inherited: true,
      runtime_flag: "CSS3TextDecorations",
      field_template: "keyword",
      type_name: "TextUnderlinePosition",
      default_value: "auto",
      keywords: ["auto", "under"],
      field_group: "rare-inherited",
    },
    {
      name: "top",
      api_class: "CSSPropertyAPIMargin",
      api_methods: ["parseSingleValue"],
      converter: "ConvertLengthOrAuto",
      interpolable: true,
      typedom_types: ["Length", "Percent"],
      keywords: ["auto"],
      field_template: "external",
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      field_group: "surround",
      default_value: "Length()",
    },
    {
      name: "touch-action",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertFlags<TouchAction>",
      type_name: "TouchAction",
      field_template: "storage_only",
      field_group: "rare-non-inherited",
      field_size: 6, // TODO(shend): Make this use "kTouchActionBits".
      default_value: "TouchAction::kTouchActionAuto",
      include_paths: ["platform/graphics/TouchAction.h"],
    },
    {
      name: "transform",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertTransformOperations",
      interpolable: true,
      keywords: ["none"],
      typedom_types: ["Transform"],
    },
    {
      name: "transform-box",
      field_template: "keyword",
      keywords: ["border-box", "fill-box", "view-box"],
      default_value: "border-box",
      runtime_flag: "CSSTransformBox",
    },
    {
      name: "transform-origin",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertTransformOrigin",
      getter: "GetTransformOrigin",
      interpolable: true,
      field_template: "storage_only",
      type_name: "TransformOrigin",
      field_group: "rare-non-inherited->transform",
      default_value: "TransformOrigin(Length(50.0, kPercent), Length(50.0, kPercent), 0)",
      include_paths: ["core/style/TransformOrigin.h"],
    },
    {
      name: "transform-style",
      name_for_methods: "TransformStyle3D",
      field_template: "keyword",
      keywords: ["flat", "preserve-3d"],
      field_group: "rare-non-inherited",
      default_value: "flat",
      field_size: 1,
    },
    {
      name: "translate",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertTranslate",
      interpolable: true,
      runtime_flag: "CSSIndependentTransformProperties",
      field_template: "storage_only",
      type_name: "TranslateTransformOperation",
      field_group: "rare-non-inherited->transform",
      default_value: "nullptr",
      wrapper_pointer_name: "RefPtr",
      include_paths: ["platform/transforms/TranslateTransformOperation.h"],
    },
    {
      name: "rotate",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertRotate",
      interpolable: true,
      runtime_flag: "CSSIndependentTransformProperties",
      field_template: "storage_only",
      type_name: "RotateTransformOperation",
      field_group: "rare-non-inherited->transform",
      default_value: "nullptr",
      wrapper_pointer_name: "RefPtr",
      include_paths: ["platform/transforms/RotateTransformOperation.h"],
    },
    {
      name: "scale",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertScale",
      interpolable: true,
      runtime_flag: "CSSIndependentTransformProperties",
      field_template: "storage_only",
      type_name: "ScaleTransformOperation",
      field_group: "rare-non-inherited->transform",
      default_value: "nullptr",
      wrapper_pointer_name: "RefPtr",
      include_paths: ["platform/transforms/ScaleTransformOperation.h"],
    },
    {
      name: "unicode-bidi",
      include_paths: ["platform/text/UnicodeBidi.h"],
      default_value: "normal",
      field_template: "keyword",
      keywords: [
        "normal", "embed", "bidi-override", "isolate", "plaintext", "isolate-override",
      ],
      type_name: "UnicodeBidi",
    },
    {
      name: "vector-effect",
      svg: true,
    },
    {
      name: "vertical-align",
      api_class: true,
      api_methods: ["parseSingleValue"],
      custom_inherit: true,
      custom_value: true,
      interpolable: true,
    },
    {
      name: "visibility",
      independent: true,
      inherited: true,
      default_value: "visible",
      interpolable: true,
      field_template: "keyword",
      keywords: ["visible", "hidden", "collapse"],
    },
    {
      name: "x",
      api_class: "CSSPropertyAPIStrokeOrLength",
      converter: "ConvertLength",
      interpolable: true,
      svg: true,
    },
    {
      name: "y",
      api_class: "CSSPropertyAPIStrokeOrLength",
      converter: "ConvertLength",
      interpolable: true,
      svg: true,
    },
    {
      name: "-webkit-appearance",
      type_name: "ControlPart",
      field_template: "storage_only",
      field_group: "rare-non-inherited",
      default_value: "kNoControlPart",
      field_size: 6,
    },
    {
      name: "-webkit-app-region",
      custom_all: true,
      name_for_methods: "DraggableRegionMode",
      field_template: "keyword",
      field_group: "rare-non-inherited",
      default_value: "none",
      keywords: ["none", "drag", "no-drag"],
    },
    {
      name: "-webkit-background-clip",
      use_handlers_for: "CSSPropertyBackgroundClip",
    },
    {
      name: "-webkit-background-origin",
      use_handlers_for: "CSSPropertyBackgroundOrigin",
    },
    {
      name: "-webkit-border-horizontal-spacing",
      api_class: "CSSPropertyAPIWebkitBorderSpacing",
      api_methods: ["parseSingleValue"],
      converter: "ConvertComputedLength<short>",
      inherited: true,
      interpolable: true,
      name_for_methods: "HorizontalBorderSpacing",
      field_template: "primitive",
      type_name: "short",
      field_group: "inherited",
      default_value: "0",
    },
    {
      name: "-webkit-border-image",
      api_class: true,
      custom_value: true,
    },
    {
      name: "-webkit-border-vertical-spacing",
      api_class: "CSSPropertyAPIWebkitBorderSpacing",
      api_methods: ["parseSingleValue"],
      converter: "ConvertComputedLength<short>",
      inherited: true,
      interpolable: true,
      name_for_methods: "VerticalBorderSpacing",
      field_template: "primitive",
      type_name: "short",
      field_group: "inherited",
      default_value: "0",
    },
    {
      name: "-webkit-box-align",
      type_name: "EBoxAlignment",
      field_template: "storage_only",
      default_value: "BSTRETCH",
      field_size: 3,
      field_group: "rare-non-inherited->deprecated-flexible-box",
    },
    {
      name: "-webkit-box-decoration-break",
      field_template: "keyword",
      field_group: "box",
      keywords: ["slice", "clone"],
      default_value: "slice",
    },
    {
      name: "-webkit-box-direction",
      independent: true,
      inherited: true,
      default_value: "normal",
      field_template: "keyword",
      keywords: ["normal", "reverse"],
    },
    {
      name: "-webkit-box-flex",
      api_class: true,
      type_name: "float",
      field_template: "primitive",
      default_value: "0.0f",
      field_group: "rare-non-inherited->deprecated-flexible-box",
    },
    {
      name: "-webkit-box-flex-group",
      api_class: true,
      api_methods: ["parseSingleValue"],
      type_name: "unsigned",
      field_template: "primitive",
      default_value: "1",
      field_group: "rare-non-inherited->deprecated-flexible-box",
    },
    {
      name: "-webkit-box-lines",
      type_name: "EBoxLines",
      field_template: "storage_only",
      default_value: "SINGLE",
      field_size: 1,
      field_group: "rare-non-inherited->deprecated-flexible-box",
    },
    {
      name: "-webkit-box-ordinal-group",
      api_class: "CSSPropertyAPIFragmentation",
      api_methods: ["parseSingleValue"],
      type_name: "unsigned",
      field_template: "storage_only",
      default_value: "1",
      field_group: "rare-non-inherited->deprecated-flexible-box",
    },
    {
      name: "-webkit-box-orient",
      type_name: "EBoxOrient",
      field_template: "storage_only",
      default_value: "HORIZONTAL",
      field_size: 1,
      field_group: "rare-non-inherited->deprecated-flexible-box",
    },
    {
      name: "-webkit-box-pack",
      type_name: "EBoxPack",
      field_template: "storage_only",
      default_value: "kBoxPackStart",
      field_size: 2,
      field_group: "rare-non-inherited->deprecated-flexible-box",
    },
    {
      name: "-webkit-box-reflect",
      converter: "ConvertBoxReflect",
      field_template: "storage_only",
      type_name: "StyleReflection",
      field_group: "rare-non-inherited",
      default_value: "nullptr",
      wrapper_pointer_name: "RefPtr",
      include_paths: ["core/style/StyleReflection.h"],
    },
    {
      name: "column-count",
      api_class: true,
      api_methods: ["parseSingleValue"],
      custom_all: true,
      interpolable: true,
      type_name: "unsigned short",
      field_template: "storage_only",
      default_value: "1",
      field_group: "rare-non-inherited->multi-col",
    },
    {
      name: "column-gap",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertComputedLength<float>",
      custom_all: true,
      interpolable: true,
      type_name: "float",
      field_template: "storage_only",
      default_value: "0.0f",
      field_group: "rare-non-inherited->multi-col",
    },
    {
      name: "column-rule-color",
      api_class: "CSSPropertyAPIColor",
      api_methods: ["parseSingleValue"],
      custom_all: true,
      interpolable: true,
    },
    {
      name: "column-rule-style",
      initial: "InitialColumnRuleStyle",
      type_name: "EBorderStyle",
    },
    {
      name: "column-rule-width",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertLineWidth<unsigned short>",
      interpolable: true,
    },
    {
      name: "column-span",
      api_class: true,
      api_methods: ["parseSingleValue"],
      type_name: "ColumnSpan",
      field_template: "storage_only",
      field_group: "rare-non-inherited->multi-col",
      default_value: "kColumnSpanNone",
      field_size: 1,
    },
    {
      name: "column-width",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertComputedLength<float>",
      custom_all: true,
      interpolable: true,
      field_template: "storage_only",
      type_name: "float",
      default_value: "0.0f",
      field_group: "rare-non-inherited->multi-col",
    },
    {
      name: "-webkit-highlight",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertString<CSSValueNone>",
      inherited: true,
      field_template: "external",
      type_name: "AtomicString",
      include_paths: ["platform/wtf/text/AtomicString.h"],
      default_value: "g_null_atom",
      field_group: "rare-inherited",
    },
    {
      name: "-webkit-hyphenate-character",
      converter: "ConvertString<CSSValueAuto>",
      inherited: true,
      name_for_methods: "HyphenationString",
      field_template: "external",
      type_name: "AtomicString",
      include_paths: ["platform/wtf/text/AtomicString.h"],
      default_value: "AtomicString()",
      field_group: "rare-inherited",
    },
    {
      name: "-webkit-line-break",
      inherited: true,
      field_template: "keyword",
      type_name: "LineBreak",
      keywords: ["auto", "loose", "normal", "strict", "after-white-space"],
      default_value: "auto",
      field_group: "rare-inherited",
    },
    // An Apple extension.
    {
      name: "-webkit-line-clamp",
      api_class: true,
      api_methods: ["parseSingleValue"],
      type_name: "LineClampValue",
      field_template: "storage_only",
      field_group: "rare-non-inherited",
      default_value: "LineClampValue()",
      include_paths: ["core/style/LineClampValue.h"],
    },
    {
      name: "-webkit-margin-after-collapse",
      type_name: "EMarginCollapse",
      field_template: "keyword",
      keywords: ["collapse", "separate", "discard"],
      field_group: "rare-non-inherited",
      default_value: "collapse",
    },
    {
      name: "-webkit-margin-before-collapse",
      type_name: "EMarginCollapse",
      field_template: "keyword",
      keywords: ["collapse", "separate", "discard"],
      field_group: "rare-non-inherited",
      default_value: "collapse",
    },
    {
      name: "-webkit-margin-bottom-collapse",
      name_for_methods: "MarginAfterCollapse",
      type_name: "EMarginCollapse",
    },
    {
      name: "-webkit-margin-top-collapse",
      name_for_methods: "MarginBeforeCollapse",
      type_name: "EMarginCollapse",
    },
    {
      name: "-webkit-mask-box-image-outset",
      api_class: "CSSPropertyAPIBorderImageOutset",
      custom_all: true,
      interpolable: true,
    },
    {
      name: "-webkit-mask-box-image-repeat",
      api_class: "CSSPropertyAPIBorderImageRepeat",
      custom_all: true,
    },
    {
      name: "-webkit-mask-box-image-slice",
      api_class: "CSSPropertyAPIBorderImageSlice",
      custom_all: true,
      interpolable: true,
    },
    {
      name: "-webkit-mask-box-image-source",
      api_class: "CSSPropertyAPIImage",
      api_methods: ["parseSingleValue"],
      custom_value: true,
      interpolable: true,
    },
    {
      name: "-webkit-mask-box-image-width",
      api_class: "CSSPropertyAPIBorderImageWidth",
      custom_all: true,
      interpolable: true,
    },
    {
      name: "-webkit-mask-clip",
      custom_all: true,
    },
    {
      name: "-webkit-mask-composite",
      custom_all: true,
    },
    {
      name: "-webkit-mask-image",
      custom_all: true,
      interpolable: true,
    },
    {
      name: "-webkit-mask-origin",
      custom_all: true,
    },
    {
      name: "-webkit-mask-position-x",
      custom_all: true,
      interpolable: true,
    },
    {
      name: "-webkit-mask-position-y",
      custom_all: true,
      interpolable: true,
    },
    {
      name: "-webkit-mask-repeat-x",
      api_class: "CSSPropertyAPIWebkitMaskRepeat",
      custom_all: true,
    },
    {
      name: "-webkit-mask-repeat-y",
      api_class: "CSSPropertyAPIWebkitMaskRepeat",
      custom_all: true,
    },
    {
      name: "-webkit-mask-size",
      custom_all: true,
      interpolable: true,
    },
    {
      name: "-webkit-perspective-origin-x",
      api_class: "CSSPropertyAPIWebkitOriginX",
      converter: "ConvertLength",
      interpolable: true,
    },
    {
      name: "-webkit-perspective-origin-y",
      api_class: "CSSPropertyAPIWebkitOriginY",
      converter: "ConvertLength",
      interpolable: true,
    },
    {
      name: "-webkit-print-color-adjust",
      independent: true,
      inherited: true,
      default_value: "economy",
      field_template: "keyword",
      keywords: ["economy", "exact"],
    },
    {
      name: "-webkit-rtl-ordering",
      independent: true,
      inherited: true,
      initial: "InitialRtlOrdering",
      default_value: "logical",
      field_template: "keyword",
      keywords: ["logical", "visual"],
      setter: "SetRtlOrdering",
      type_name: "EOrder",
    },
    {
      name: "-webkit-ruby-position",
      inherited: true,
      field_template: "keyword",
      type_name: "RubyPosition",
      keywords: ["before", "after"],
      default_value: "before",
      field_group: "rare-inherited",
    },
    {
      name: "-webkit-tap-highlight-color",
      api_class: "CSSPropertyAPIColor",
      api_methods: ["parseSingleValue"],
      converter: "ConvertColor",
      inherited: true,
      field_template: "external",
      type_name: "Color",
      include_paths: ["platform/graphics/Color.h"],
      default_value: "LayoutTheme::TapHighlightColor()",
      field_group: "rare-inherited",
    },
    {
      name: "-webkit-text-combine",
      inherited: true,
      name_for_methods: "TextCombine",
    },
    {
      name: "-webkit-text-emphasis-color",
      api_class: "CSSPropertyAPIColor",
      api_methods: ["parseSingleValue"],
      custom_all: true,
      inherited: true,
      field_template: "storage_only",
      type_name: "Color",
      include_paths: ["platform/graphics/Color.h"],
      default_value: "Color()",
      field_group: "rare-inherited",
    },
    {
      name: "-webkit-text-emphasis-position",
      inherited: true,
      field_template: "keyword",
      type_name: "TextEmphasisPosition",
      default_value: "over",
      keywords: ["over", "under"],
      field_group: "rare-inherited",
    },
    {
      name: "-webkit-text-emphasis-style",
      api_class: true,
      api_methods: ["parseSingleValue"],
      custom_all: true,
      inherited: true,
    },
    {
      name: "-webkit-text-fill-color",
      api_class: "CSSPropertyAPIColor",
      api_methods: ["parseSingleValue"],
      custom_all: true,
      inherited: true,
      field_template: "storage_only",
      type_name: "Color",
      include_paths: ["platform/graphics/Color.h"],
      default_value: "Color()",
      field_group: "rare-inherited",
    },
    {
      name: "-webkit-text-security",
      inherited: true,
      field_template: "keyword",
      keywords: ["none", "disc", "circle", "square"],
      default_value: "none",
      field_group: "rare-inherited",
    },
    {
      name: "-webkit-text-stroke-color",
      api_class: "CSSPropertyAPIColor",
      api_methods: ["parseSingleValue"],
      custom_all: true,
      inherited: true,
      interpolable: true,
      field_template: "storage_only",
      type_name: "Color",
      include_paths: ["platform/graphics/Color.h"],
      default_value: "Color()",
      field_group: "rare-inherited",
    },
    {
      name: "-webkit-text-stroke-width",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertTextStrokeWidth",
      inherited: true,
      field_template: "primitive",
      type_name: "float",
      default_value: "0",
      field_group: "rare-inherited",
    },
    {
      name: "-webkit-transform-origin-x",
      api_class: "CSSPropertyAPIWebkitOriginX",
      converter: "ConvertLength",
      interpolable: true,
    },
    {
      name: "-webkit-transform-origin-y",
      api_class: "CSSPropertyAPIWebkitOriginY",
      converter: "ConvertLength",
      interpolable: true,
    },
    {
      name: "-webkit-transform-origin-z",
      api_class: true,
      api_methods: ["parseSingleValue"],
      converter: "ConvertComputedLength<float>",
      interpolable: true,
    },
    {
      name: "-webkit-user-drag",
      field_template: "keyword",
      field_group: "rare-non-inherited",
      default_value: "auto",
      keywords: ["auto", "none", "element"],
    },
    {
      name: "-webkit-user-modify",
      inherited: true,
      field_template: "keyword",
      keywords: ["read-only", "read-write", "read-write-plaintext-only"],
      default_value: "read-only",
      field_group: "rare-inherited",
    },
    {
      name: "user-select",
      inherited: true,
      field_template: "keyword",
      keywords: ["none", "text", "all"],
      default_value: "text",
      field_group: "rare-inherited",
    },
    {
      name: "white-space",
      independent: true,
      inherited: true,
      default_value: "normal",
      field_template: "keyword",
      keywords: ["normal", "pre", "pre-wrap", "pre-line", "nowrap", "-webkit-nowrap"],
    },
    {
      name: "widows",
      api_class: "CSSPropertyAPIFragmentation",
      api_methods: ["parseSingleValue"],
      inherited: true,
      interpolable: true,
      field_template: "primitive",
      type_name: "short",
      default_value: "2",
      field_group: "rare-inherited",
    },
    {
      name: "width",
      api_class: "CSSPropertyAPIWidthOrHeight",
      converter: "ConvertLengthSizing",
      is_descriptor: true,
      interpolable: true,
      typedom_types: ["Length", "Percent"],
      keywords: ["auto", "fit-content", "min-content", "max-content"],
      field_template: "external",
      include_paths: ["platform/Length.h"],
      type_name: "Length",
      field_group: "box",
      default_value: "Length()"
    },
    {
      name: "will-change",
      api_class: true,
      api_methods: ["parseSingleValue"],
      custom_all: true,
    },
    {
      name: "word-break",
      inherited: true,
      field_template: "keyword",
      // Word Break Values. Matches WinIE and CSS3
      keywords: ["normal", "break-all", "keep-all", "break-word"],
      default_value: "normal",
      field_group: "rare-inherited",
    },
    {
      name: "word-spacing",
      api_class: "CSSPropertyAPILetterAndWordSpacing",
      api_methods: ["parseSingleValue"],
      converter: "ConvertSpacing",
      inherited: true,
      initial: "InitialLetterWordSpacing",
      interpolable: true,
    },
    // UAs must treat 'word-wrap' as an alternate name for the 'overflow-wrap' property. So using the same handlers.
    {
      name: "word-wrap",
      inherited: true,
      name_for_methods: "OverflowWrap",
    },
    {
      name: "z-index",
      api_class: true,
      api_methods: ["parseSingleValue"],
      custom_all: true,
      interpolable: true,
      type_name: "int",
      field_template: "storage_only",
      field_group: "box",
      default_value: "0"
    },

    // CSS logical props
    {
      name: "inline-size",
      direction_aware: true,
    },
    {
      name: "block-size",
      direction_aware: true,
    },
    {
      name: "min-inline-size",
      direction_aware: true,
    },
    {
      name: "min-block-size",
      direction_aware: true,
    },
    {
      name: "max-inline-size",
      api_class: "CSSPropertyAPIWebkitMaxLogicalWidthOrHeight",
      api_methods: ["parseSingleValue"],
      direction_aware: true,
    },
    {
      name: "max-block-size",
      api_class: "CSSPropertyAPIWebkitMaxLogicalWidthOrHeight",
      api_methods: ["parseSingleValue"],
      direction_aware: true,
    },

    // Non-standard direction aware properties

    {
      name: "-webkit-border-end-color",
      api_class: "CSSPropertyAPIColor",
      api_methods: ["parseSingleValue"],
      direction_aware: true,
    },
    {
      name: "-webkit-border-end-style",
      direction_aware: true,
    },
    {
      name: "-webkit-border-end-width",
      api_class: "CSSPropertyAPIWebkitBorderWidth",
      api_methods: ["parseSingleValue"],
      direction_aware: true,
    },
    {
      name: "-webkit-border-start-color",
      api_class: "CSSPropertyAPIColor",
      api_methods: ["parseSingleValue"],
      direction_aware: true,
    },
    {
      name: "-webkit-border-start-style",
      direction_aware: true,
    },
    {
      name: "-webkit-border-start-width",
      api_class: "CSSPropertyAPIWebkitBorderWidth",
      api_methods: ["parseSingleValue"],
      direction_aware: true,
    },
    {
      name: "-webkit-border-before-color",
      api_class: "CSSPropertyAPIColor",
      api_methods: ["parseSingleValue"],
      direction_aware: true,
    },
    {
      name: "-webkit-border-before-style",
      direction_aware: true,
    },
    {
      name: "-webkit-border-before-width",
      api_class: "CSSPropertyAPIWebkitBorderWidth",
      api_methods: ["parseSingleValue"],
      direction_aware: true,
    },
    {
      name: "-webkit-border-after-color",
      api_class: "CSSPropertyAPIColor",
      api_methods: ["parseSingleValue"],
      direction_aware: true,
    },
    {
      name: "-webkit-border-after-style",
      direction_aware: true,
    },
    {
      name: "-webkit-border-after-width",
      api_class: "CSSPropertyAPIWebkitBorderWidth",
      api_methods: ["parseSingleValue"],
      direction_aware: true,
    },
    {
      name: "-webkit-margin-end",
      api_class: "CSSPropertyAPIWebkitMargin",
      api_methods: ["parseSingleValue"],
      direction_aware: true,
    },
    {
      name: "-webkit-margin-start",
      api_class: "CSSPropertyAPIWebkitMargin",
      api_methods: ["parseSingleValue"],
      direction_aware: true,
    },
    {
      name: "-webkit-margin-before",
      api_class: "CSSPropertyAPIWebkitMargin",
      api_methods: ["parseSingleValue"],
      direction_aware: true,
    },
    {
      name: "-webkit-margin-after",
      api_class: "CSSPropertyAPIWebkitMargin",
      api_methods: ["parseSingleValue"],
      direction_aware: true,
    },
    {
      name: "-webkit-padding-end",
      api_class: "CSSPropertyAPIWebkitPadding",
      api_methods: ["parseSingleValue"],
      direction_aware: true,
    },
    {
      name: "-webkit-padding-start",
      api_class: "CSSPropertyAPIWebkitPadding",
      api_methods: ["parseSingleValue"],
      direction_aware: true,
    },
    {
      name: "-webkit-padding-before",
      api_class: "CSSPropertyAPIWebkitPadding",
      api_methods: ["parseSingleValue"],
      direction_aware: true,
    },
    {
      name: "-webkit-padding-after",
      api_class: "CSSPropertyAPIWebkitPadding",
      api_methods: ["parseSingleValue"],
      direction_aware: true,
    },
    {
      name: "-webkit-logical-width",
      api_class: "CSSPropertyAPIWebkitLogicalWidthOrHeight",
      direction_aware: true,
    },
    {
      name: "-webkit-logical-height",
      api_class: "CSSPropertyAPIWebkitLogicalWidthOrHeight",
      direction_aware: true,
    },
    {
      name: "-webkit-min-logical-width",
      api_class: "CSSPropertyAPIWebkitLogicalWidthOrHeight",
      direction_aware: true,
    },
    {
      name: "-webkit-min-logical-height",
      api_class: "CSSPropertyAPIWebkitLogicalWidthOrHeight",
      direction_aware: true,
    },
    {
      name: "-webkit-max-logical-width",
      api_class: "CSSPropertyAPIWebkitMaxLogicalWidthOrHeight",
      api_methods: ["parseSingleValue"],
      direction_aware: true,
    },
    {
      name: "-webkit-max-logical-height",
      api_class: "CSSPropertyAPIWebkitMaxLogicalWidthOrHeight",
      api_methods: ["parseSingleValue"],
      direction_aware: true,
    },

    // Properties that we ignore in the StyleBuilder.
    // TODO(timloh): This seems wrong, most of these shouldn't reach the StyleBuilder

    {
      name: "all",
      builder_skip: true,
    },
    {
      name: "page",
      api_class: true,
      api_methods: ["parseSingleValue"],
      builder_skip: true,
    },
    {
      name: "-webkit-font-size-delta",
      api_class: true,
      api_methods: ["parseSingleValue"],
      builder_skip: true,
    },
    {
      name: "-webkit-text-decorations-in-effect",
      api_class: "CSSPropertyAPITextDecorationLine",
      builder_skip: true,
      inherited: true,
    },

    // Descriptor only names

    {
      name: "font-display",
      is_descriptor: true,
      is_property: false,
      runtime_flag: "CSSFontDisplay",
    },
    {
      name: "max-zoom",
      is_descriptor: true,
      is_property: false,
    },
    {
      name: "min-zoom",
      is_descriptor: true,
      is_property: false,
    },
    {
      name: "orientation",
      is_descriptor: true,
      is_property: false,
    },
    {
      name: "src",
      is_descriptor: true,
      is_property: false,
    },
    {
      name: "unicode-range",
      is_descriptor: true,
      is_property: false,
    },
    {
      name: "user-zoom",
      is_descriptor: true,
      is_property: false,
    },

    // Shorthands

    {
      name: "animation",
      longhands: "animation-name;animation-duration;animation-timing-function;animation-delay;animation-iteration-count;animation-direction;animation-fill-mode;animation-play-state",
    },
    {
      name: "background",
      longhands: "background-image;background-position-x;background-position-y;background-size;background-repeat-x;background-repeat-y;background-attachment;background-origin;background-clip;background-color",
    },
    {
      name: "background-position",
      longhands: "background-position-x;background-position-y",
    },
    {
      name: "background-repeat",
      longhands: "background-repeat-x;background-repeat-y",
    },
    {
      name: "border",
      longhands: "border-top-color;border-top-style;border-top-width;border-right-color;border-right-style;border-right-width;border-bottom-color;border-bottom-style;border-bottom-width;border-left-color;border-left-style;border-left-width;border-image-source;border-image-slice;border-image-width;border-image-outset;border-image-repeat",
    },
    {
      name: "border-bottom",
      longhands: "border-bottom-width;border-bottom-style;border-bottom-color",
    },
    {
      name: "border-color",
      longhands: "border-top-color;border-right-color;border-bottom-color;border-left-color",
    },
    {
      name: "border-image",
      longhands: "border-image-source;border-image-slice;border-image-width;border-image-outset;border-image-repeat",
    },
    {
      name: "border-left",
      longhands: "border-left-width;border-left-style;border-left-color",
    },
    {
      name: "border-radius",
      longhands: "border-top-left-radius;border-top-right-radius;border-bottom-right-radius;border-bottom-left-radius",
      api_class: true,
      api_methods: ["parseShorthand"],
    },
    {
      name: "border-right",
      longhands: "border-right-width;border-right-style;border-right-color",
    },
    {
      name: "border-spacing",
      longhands: "-webkit-border-horizontal-spacing;-webkit-border-vertical-spacing",
    },
    {
      name: "border-style",
      longhands: "border-top-style;border-right-style;border-bottom-style;border-left-style",
      keywords: ["none"],
      typedom_types: ["Image"],
    },
    {
      name: "border-top",
      longhands: "border-top-width;border-top-style;border-top-color",
    },
    {
      name: "border-width",
      longhands: "border-top-width;border-right-width;border-bottom-width;border-left-width",
    },
    {
      name: "flex",
      longhands: "flex-grow;flex-shrink;flex-basis",
      api_class: true,
      api_methods: ["parseShorthand"],
    },
    {
      name: "flex-flow",
      longhands: "flex-direction;flex-wrap",
    },
    {
      name: "font",
      longhands: "font-style;font-variant-ligatures;font-variant-caps;font-variant-numeric;font-weight;font-stretch;font-size;line-height;font-family",
    },
    {
      name: "font-variant",
      longhands: "font-variant-ligatures;font-variant-caps;font-variant-numeric",
      is_descriptor: true,
    },
    {
      name: "grid",
      longhands: "grid-template-rows;grid-template-columns;grid-template-areas;grid-auto-flow;grid-auto-rows;grid-auto-columns;grid-column-gap;grid-row-gap",
      runtime_flag: "CSSGridLayout",
    },
    {
      name: "place-content",
      longhands: "align-content;justify-content",
      runtime_flag: "CSSGridLayout",
    },
    {
      name: "place-items",
      longhands: "align-items;justify-items",
      runtime_flag: "CSSGridLayout",
    },
    {
      name: "place-self",
      longhands: "align-self;justify-self",
      runtime_flag: "CSSGridLayout",
    },
    {
      name: "grid-area",
      longhands: "grid-row-start;grid-column-start;grid-row-end;grid-column-end",
      runtime_flag: "CSSGridLayout",
    },
    {
      name: "grid-column",
      longhands: "grid-column-start;grid-column-end",
      runtime_flag: "CSSGridLayout",
    },
    {
      name: "grid-gap",
      longhands: "grid-row-gap;grid-column-gap",
      runtime_flag: "CSSGridLayout",
    },
    {
      name: "grid-row",
      longhands: "grid-row-start;grid-row-end",
      runtime_flag: "CSSGridLayout",
    },
    {
      name: "grid-template",
      longhands: "grid-template-rows;grid-template-columns;grid-template-areas",
      runtime_flag: "CSSGridLayout",
    },
    {
      name: "list-style",
      longhands: "list-style-type;list-style-position;list-style-image",
    },
    {
      name: "margin",
      longhands: "margin-top;margin-right;margin-bottom;margin-left",
    },
    {
      name: "marker",
      longhands: "marker-start;marker-mid;marker-end",
    },
    {
      name: "offset",
      longhands: "offset-position;offset-path;offset-distance;offset-rotate;offset-anchor",
    },
    {
      name: "outline",
      longhands: "outline-color;outline-style;outline-width",
    },
    {
      name: "overflow",
      longhands: "overflow-x;overflow-y",
    },
    {
      name: "padding",
      longhands: "padding-top;padding-right;padding-bottom;padding-left",
    },
    {
      name: "page-break-after",
      longhands: "break-after",
    },
    {
      name: "page-break-before",
      longhands: "break-before",
    },
    {
      name: "page-break-inside",
      longhands: "break-inside",
    },
    {
      name: "scroll-padding",
      longhands: "scroll-padding-top;scroll-padding-right;scroll-padding-bottom;scroll-padding-left",
      runtime_flag: "CSSScrollSnapPoints",
    },
    {
      name: "scroll-padding-block",
      longhands: "scroll-padding-block-start;scroll-padding-block-end",
      runtime_flag: "CSSScrollSnapPoints",
    },
    {
      name: "scroll-padding-inline",
      longhands: "scroll-padding-inline-start;scroll-padding-inline-end",
      runtime_flag: "CSSScrollSnapPoints",
    },
    {
      name: "scroll-snap-margin",
      longhands: "scroll-snap-margin-top;scroll-snap-margin-right;scroll-snap-margin-bottom;scroll-snap-margin-left",
      runtime_flag: "CSSScrollSnapPoints",
    },
    {
      name: "scroll-snap-margin-block",
      longhands: "scroll-snap-margin-block-start;scroll-snap-margin-block-end",
      runtime_flag: "CSSScrollSnapPoints",
    },
    {
      name: "scroll-snap-margin-inline",
      longhands: "scroll-snap-margin-inline-start;scroll-snap-margin-inline-end",
      runtime_flag: "CSSScrollSnapPoints",
    },
    {
      name: "transition",
      longhands: "transition-property;transition-duration;transition-timing-function;transition-delay",
    },
    {
      name: "-webkit-border-after",
      longhands: "-webkit-border-after-width;-webkit-border-after-style;-webkit-border-after-color",
    },
    {
      name: "-webkit-border-before",
      longhands: "-webkit-border-before-width;-webkit-border-before-style;-webkit-border-before-color",
    },
    {
      name: "-webkit-border-end",
      longhands: "-webkit-border-end-width;-webkit-border-end-style;-webkit-border-end-color",
    },
    {
      name: "-webkit-border-start",
      longhands: "-webkit-border-start-width;-webkit-border-start-style;-webkit-border-start-color",
    },
    {
      name: "-webkit-column-break-after",
      longhands: "break-after",
    },
    {
      name: "-webkit-column-break-before",
      longhands: "break-before",
    },
    {
      name: "-webkit-column-break-inside",
      longhands: "break-inside",
    },
    {
      name: "column-rule",
      longhands: "column-rule-width;column-rule-style;column-rule-color",
    },
    {
      name: "columns",
      longhands: "column-width;column-count",
    },
    {
      name: "-webkit-margin-collapse",
      longhands: "-webkit-margin-before-collapse;-webkit-margin-after-collapse",
      api_class: true,
      api_methods: ["parseShorthand"],
    },
    {
      name: "-webkit-mask",
      longhands: "-webkit-mask-image;-webkit-mask-position-x;-webkit-mask-position-y;-webkit-mask-size;-webkit-mask-repeat-x;-webkit-mask-repeat-y;-webkit-mask-origin;-webkit-mask-clip",
    },
    {
      name: "-webkit-mask-box-image",
      longhands: "-webkit-mask-box-image-source;-webkit-mask-box-image-slice;-webkit-mask-box-image-width;-webkit-mask-box-image-outset;-webkit-mask-box-image-repeat",
    },
    {
      name: "-webkit-mask-position",
      longhands: "-webkit-mask-position-x;-webkit-mask-position-y",
    },
    {
      name: "-webkit-mask-repeat",
      longhands: "-webkit-mask-repeat-x;-webkit-mask-repeat-y",
    },
    {
      name: "-webkit-text-emphasis",
      longhands: "-webkit-text-emphasis-style;-webkit-text-emphasis-color",
    },
    {
      name: "-webkit-text-stroke",
      longhands: "-webkit-text-stroke-width;-webkit-text-stroke-color",
    },

    // Aliases; these map to the same CSSPropertyID

    {
      name: "-epub-caption-side",
      alias_for: "caption-side",
    },
    {
      name: "-epub-text-combine",
      alias_for: "-webkit-text-combine",
    },
    {
      name: "-epub-text-emphasis",
      alias_for: "-webkit-text-emphasis",
    },
    {
      name: "-epub-text-emphasis-color",
      alias_for: "-webkit-text-emphasis-color",
    },
    {
      name: "-epub-text-emphasis-style",
      alias_for: "-webkit-text-emphasis-style",
    },
    {
      name: "-epub-text-orientation",
      alias_for: "-webkit-text-orientation",
    },
    {
      name: "-epub-text-transform",
      alias_for: "text-transform",
    },
    {
      name: "-epub-word-break",
      alias_for: "word-break",
    },
    {
      name: "-epub-writing-mode",
      alias_for: "-webkit-writing-mode",
    },
    {
      name: "-webkit-align-content",
      alias_for: "align-content",
    },
    {
      name: "-webkit-align-items",
      alias_for: "align-items",
    },
    {
      name: "-webkit-align-self",
      alias_for: "align-self",
    },
    {
      name: "-webkit-animation",
      alias_for: "animation",
    },
    {
      name: "-webkit-animation-delay",
      alias_for: "animation-delay",
    },
    {
      name: "-webkit-animation-direction",
      alias_for: "animation-direction",
    },
    {
      name: "-webkit-animation-duration",
      alias_for: "animation-duration",
    },
    {
      name: "-webkit-animation-fill-mode",
      alias_for: "animation-fill-mode",
    },
    {
      name: "-webkit-animation-iteration-count",
      alias_for: "animation-iteration-count",
    },
    {
      name: "-webkit-animation-name",
      alias_for: "animation-name",
    },
    {
      name: "-webkit-animation-play-state",
      alias_for: "animation-play-state",
    },
    {
      name: "-webkit-animation-timing-function",
      alias_for: "animation-timing-function",
    },
    {
      name: "-webkit-backface-visibility",
      alias_for: "backface-visibility",
    },
    // "-webkit-background-size: 10px" behaves as "background-size: 10px 10px"
    {
      name: "-webkit-background-size",
      alias_for: "background-size",
    },
    {
      name: "-webkit-border-bottom-left-radius",
      alias_for: "border-bottom-left-radius",
    },
    {
      name: "-webkit-border-bottom-right-radius",
      alias_for: "border-bottom-right-radius",
    },
    // "-webkit-border-radius: 1px 2px" behaves as "border-radius: 1px / 2px"
    {
      name: "-webkit-border-radius",
      alias_for: "border-radius",
    },
    {
      name: "-webkit-border-top-left-radius",
      alias_for: "border-top-left-radius",
    },
    {
      name: "-webkit-border-top-right-radius",
      alias_for: "border-top-right-radius",
    },
    {
      name: "-webkit-box-shadow",
      alias_for: "box-shadow",
    },
    {
      name: "-webkit-box-sizing",
      alias_for: "box-sizing",
    },
    {
      name: "-webkit-clip-path",
      alias_for: "clip-path",
    },
    {
      name: "-webkit-column-count",
      alias_for: "column-count",
    },
    {
      name: "-webkit-column-gap",
      alias_for: "column-gap",
    },
    {
      name: "-webkit-column-rule",
      alias_for: "column-rule",
    },
    {
      name: "-webkit-column-rule-color",
      alias_for: "column-rule-color",
    },
    {
      name: "-webkit-column-rule-style",
      alias_for: "column-rule-style",
    },
    {
      name: "-webkit-column-rule-width",
      alias_for: "column-rule-width",
    },
    {
      name: "-webkit-column-span",
      alias_for: "column-span",
    },
    {
      name: "-webkit-column-width",
      alias_for: "column-width",
    },
    {
      name: "-webkit-columns",
      alias_for: "columns",
    },
    {
      name: "-webkit-filter",
      alias_for: "filter",
    },
    {
      name: "-webkit-flex",
      alias_for: "flex",
    },
    {
      name: "-webkit-flex-basis",
      alias_for: "flex-basis",
    },
    {
      name: "-webkit-flex-direction",
      alias_for: "flex-direction",
    },
    {
      name: "-webkit-flex-flow",
      alias_for: "flex-flow",
    },
    {
      name: "-webkit-flex-grow",
      alias_for: "flex-grow",
    },
    {
      name: "-webkit-flex-shrink",
      alias_for: "flex-shrink",
    },
    {
      name: "-webkit-flex-wrap",
      alias_for: "flex-wrap",
    },
    {
      name: "-webkit-font-feature-settings",
      alias_for: "font-feature-settings",
    },
    {
      name: "-webkit-justify-content",
      alias_for: "justify-content",
    },
    {
      name: "line-break",
      alias_for: "-webkit-line-break",
      runtime_flag: "CSSLineBreak",
    },
    {
      name: "-webkit-opacity",
      alias_for: "opacity",
    },
    {
      name: "-webkit-order",
      alias_for: "order",
    },
    {
      name: "-webkit-perspective",
      alias_for: "perspective",
    },
    {
      name: "-webkit-perspective-origin",
      alias_for: "perspective-origin",
    },
    {
      name: "-webkit-shape-image-threshold",
      alias_for: "shape-image-threshold",
    },
    {
      name: "-webkit-shape-margin",
      alias_for: "shape-margin",
    },
    {
      name: "-webkit-shape-outside",
      alias_for: "shape-outside",
    },
    {
      name: "-webkit-text-size-adjust",
      alias_for: "text-size-adjust",
    },
    {
      name: "-webkit-transform",
      alias_for: "transform",
    },
    {
      name: "-webkit-transform-origin",
      alias_for: "transform-origin",
    },
    {
      name: "-webkit-transform-style",
      alias_for: "transform-style",
    },
    {
      name: "-webkit-transition",
      alias_for: "transition",
    },
    {
      name: "-webkit-transition-delay",
      alias_for: "transition-delay",
    },
    {
      name: "-webkit-transition-duration",
      alias_for: "transition-duration",
    },
    {
      name: "-webkit-transition-property",
      alias_for: "transition-property",
    },
    {
      name: "-webkit-transition-timing-function",
      alias_for: "transition-timing-function",
    },
    {
      name: "-webkit-user-select",
      alias_for: "user-select",
    },
  ],
}