/**
 * @fileoverview Visitor keys for the CSS Tree AST.
 * @author Nicholas C. Zakas
 */
export const visitorKeys = {
    AnPlusB: [],
    Atrule: ["prelude", "block"],
    AtrulePrelude: ["children"],
    AttributeSelector: ["name", "value"],
    Block: ["children"],
    Brackets: ["children"],
    CDC: [],
    CDO: [],
    ClassSelector: [],
    Combinator: [],
    Comment: [],
    Condition: ["children"],
    Declaration: ["value"],
    DeclarationList: ["children"],
    Dimension: [],
    Feature: ["value"],
    FeatureFunction: ["value"],
    FeatureRange: ["left", "middle", "right"],
    Function: ["children"],
    GeneralEnclosed: ["children"],
    Hash: [],
    IdSelector: [],
    Identifier: [],
    Layer: [],
    LayerList: ["children"],
    MediaQuery: ["condition"],
    MediaQueryList: ["children"],
    NestingSelector: [],
    Nth: ["nth", "selector"],
    Number: [],
    Operator: [],
    Parentheses: ["children"],
    Percentage: [],
    PseudoClassSelector: ["children"],
    PseudoElementSelector: ["children"],
    Ratio: ["left", "right"],
    Raw: [],
    Rule: ["prelude", "block"],
    Scope: ["root", "limit"],
    Selector: ["children"],
    SelectorList: ["children"],
    String: [],
    StyleSheet: ["children"],
    SupportsDeclaration: ["declaration"],
    TypeSelector: [],
    UnicodeRange: [],
    Url: [],
    Value: ["children"],
    WhiteSpace: [],
};