import { Observable } from 'rxjs';
import { IFilterPagination, IPaginator } from '@devstroupe/devkit-core';
export interface IRelationshipLookupConfig<T> {
    loader: (filter: IFilterPagination) => Observable<IPaginator<T>>;
    valueField?: keyof T & string;
    displayField?: keyof T & string;
    pageSize?: number;
    minSearchLength?: number;
    filters?: Record<string, unknown>;
}
export interface IRelationshipLookupOption {
    label: string;
    value: any;
}
export declare class RelationshipLookup<T extends Record<string, any>> {
    private readonly config;
    readonly valueField: string;
    readonly displayField: string;
    readonly pageSize: number;
    readonly minSearchLength: number;
    items: T[];
    page: number;
    search: string;
    loading: boolean;
    hasMore: boolean;
    private requestVersion;
    private subscription?;
    private readonly pinnedItems;
    constructor(config: IRelationshipLookupConfig<T>);
    get options(): IRelationshipLookupOption[];
    load(reset?: boolean): void;
    setSearch(search: string): void;
    loadMore(): void;
    include(item: T | null | undefined): void;
    destroy(): void;
    private unique;
}