import { Pattern } from './pattern';
/**
 * Internal function used to generate the Pattern#match method. Although RegExps may be used to implement the `match`
 * method for any pattern, we avoid using RegExps for a number of simpler kinds of pattern. This is because
 * pattern matching may be performed frequently, and possibly on critical paths. As such, the use of optimised `match`
 * implementations may result in substantial overall performance improvements in calling code.
 */
export declare function toMatchFunction(pattern: Pattern): MatchFunction;
/** The signature of the Pattern#match method. */
export declare type MatchFunction = (_: string) => {
    [captureName: string]: string;
} | null;