import type { ResolverCache } from './ResolverCache';
import type { Task } from './Task';
export declare class CustomKeyResolverCache<Payload, Result> implements ResolverCache<Payload, Result> {
    #private;
    constructor(getKey: (payload: Payload) => string);
    get(payload: Payload): Task<Payload, Result> | undefined;
    set(payload: Payload, value: Task<Payload, Result>): ResolverCache<Payload, Result>;
    delete(payload: Payload): boolean;
}
//# sourceMappingURL=CustomKeyResolverCache.d.ts.map