third_party/blink/renderer/core/css/cssom/css_variable_reference_value.idl

// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Represents a CSS var() reference in a CSS value.
// Spec: https://drafts.css-houdini.org/css-typed-om/#cssvariablereferencevalue
[
    Constructor(CSSOMString variable, optional CSSUnparsedValue? fallback = null),
    Exposed=(Window,LayoutWorklet,PaintWorklet),
    RaisesException=Constructor,
    ImplementedAs=CSSStyleVariableReferenceValue
] interface CSSVariableReferenceValue {
    [RaisesException=Setter] attribute CSSOMString variable;
    readonly attribute CSSUnparsedValue? fallback;
};