import { TokenType } from './patterns';
export interface Token {
    type: TokenType;
    value: string;
    index: number;
}
export declare class Lexer {
    private static masterRegex;
    private static groupIndexMap;
    /**
     * Lazy-initializes the master regex for O(1) repeated access.
     * Compiles all patterns into one giant Regex: (JWT)|(URL)|(EMAIL)|...
     */
    private static init;
    /**
     * Scans input string in a single pass (O(N)) and produces a stream of tokens.
     */
    static tokenize(input: string): Token[];
}
//# sourceMappingURL=lexer.d.ts.map