import { Immutable, Maybe } from '@fretve/global-types';
import { GenericAbstractControl } from '@fretve/dynamic-forms';
import { BehaviorSubject, Observable } from 'rxjs';
export declare type LazySelectOption = Maybe<"onPreset" | "all">;
export declare class WithLazyOptions {
    showOptionsSubject: BehaviorSubject<boolean>;
    resolveLazyOptions$<T>(control: GenericAbstractControl<any>, options$: Observable<Immutable<Maybe<T[]>>>, lazy$?: Observable<LazySelectOption>): Observable<Immutable<Maybe<T[]>>>;
    showOptions(): void;
}