import * as ast from './ast';
import * as Token from './parser';
export default class Lexer implements Token.Lexer {
    source: string;
    cursor: number;
    token: number;
    value: ast.Node | undefined;
    constructor(source: string);
    lex(): number;
    private _bool;
    private _null;
    private _number;
    private _string;
    private _name;
    charAt(cursor: number): string;
    yytext(): string;
    yyerror(loc: Token.Location, msg: String): void;
    reportSyntaxError(ctx: Token.Context): void;
    getLocation(): Token.Location;
}