import { type Either } from 'fp-ts/lib/Either';
export interface AsymmetricMatcher {
    asymmetricMatch(other: unknown): boolean;
}
export declare function isAsymmetricMatcher(matcher: any): matcher is AsymmetricMatcher;
export declare const matchObject: (expected: unknown) => (actual: unknown) => boolean;
export declare const matchString: (s: RegExp) => (o: unknown) => boolean;
export declare function leftPredicate(actual: Either<unknown, unknown>, predicate: (left: unknown) => boolean): boolean;
export declare function rightPredicate(actual: Either<unknown, unknown>, predicate: (right: unknown) => boolean): boolean;