export namespace visitorKeys {
    let AnPlusB: any[];
    let Atrule: string[];
    let AtrulePrelude: string[];
    let AttributeSelector: string[];
    let Block: string[];
    let Brackets: string[];
    let CDC: any[];
    let CDO: any[];
    let ClassSelector: any[];
    let Combinator: any[];
    let Comment: any[];
    let Condition: string[];
    let Declaration: string[];
    let DeclarationList: string[];
    let Dimension: any[];
    let Feature: string[];
    let FeatureFunction: string[];
    let FeatureRange: string[];
    let Function: string[];
    let GeneralEnclosed: string[];
    let Hash: any[];
    let IdSelector: any[];
    let Identifier: any[];
    let Layer: any[];
    let LayerList: string[];
    let MediaQuery: string[];
    let MediaQueryList: string[];
    let NestingSelector: any[];
    let Nth: string[];
    let Number: any[];
    let Operator: any[];
    let Parentheses: string[];
    let Percentage: any[];
    let PseudoClassSelector: string[];
    let PseudoElementSelector: string[];
    let Ratio: string[];
    let Raw: any[];
    let Rule: string[];
    let Scope: string[];
    let Selector: string[];
    let SelectorList: string[];
    let String: any[];
    let StyleSheet: string[];
    let SupportsDeclaration: string[];
    let TypeSelector: any[];
    let UnicodeRange: any[];
    let Url: any[];
    let Value: string[];
    let WhiteSpace: any[];
}