import "../Extensions/EnumerableExtension";
export declare enum LexicalTokenType {
    Identifier = 0,
    String = 1,
    StringTemplate = 2,
    Number = 3,
    Regexp = 4,
    Keyword = 5,
    Operator = 6,
    Block = 7,
    Breaker = 8
}
export interface ILexicalToken {
    type: LexicalTokenType;
    data: string | number;
}
export declare class LexicalAnalyzer {
    static parse(input: string): IterableIterator<ILexicalToken>;
}