export interface IPromiseMapper<TSource, TTarget> {
    /**
     * Map all the given source to targets.
     */
    list(source: Promise<TSource[]>): Promise<TTarget[]>;
    /**
     * Actual mapper.
     */
    map(source: TSource): Promise<TTarget>;
    mapNull(source?: TSource | null): Promise<TTarget | undefined>;
}
export declare namespace PromiseMapperInfer {
    type Source<T> = T extends IPromiseMapper<infer TSource, any> ? TSource : T;
    type Target<T> = T extends IPromiseMapper<any, infer TTarget> ? TTarget : T;
}
//# sourceMappingURL=IPromiseMapper.d.ts.map