import { Observable } from "rxjs";
import { SubscriberRef } from "./subscription-ref";
export declare type MatchPredicate = (value: string | undefined, observable?: Observable<any>) => boolean;
export declare type Match = Observable<any> | string | RegExp | MatchPredicate;
export declare function matches<T>(observable: Observable<T>, match: Match, value?: string): boolean;
export declare function matches<T>(observable: Observable<T>, match: Match): boolean;
export declare function matches(subscriberRef: SubscriberRef, match: Match, value?: string): boolean;
export declare function matches(subscriberRef: SubscriberRef, match: Match): boolean;
export declare function read<T>(observable: Observable<T>): string | undefined;
export declare function toString(match: Match): string;