import { DataSource } from '@angular/cdk/collections';
import { BehaviorSubject, Observable, Subject } from 'rxjs';
import { OnDestroy } from '@angular/core';
import { Meta } from '../models/meta';
import { SortValue } from '../models/sort-value';
import * as i0 from "@angular/core";
export type TResponse<T> = {
    data: T[];
    meta?: Meta;
};
export interface GmTableDataSourceInterface {
    /**
    * If `id` is provided, state saving in `GM_STORAGE` is enabled.
    */
    id?: string;
    fetch: (filter?: any, sort?: SortValue, pageNumber?: number, pageSize?: number) => Observable<any>;
    loadItems: Function;
    currentPage: number;
    totalPages: number;
    pageSize: number;
    setPage: Function;
    loading$: BehaviorSubject<boolean>;
    total: number;
    lastCountInPage: number;
    pageSizes: number[];
    clear: Function;
}
export declare class GmTableDatasource<T, TFilter = void> implements DataSource<T>, OnDestroy {
    protected unsubscribe: Subject<void>;
    id: string;
    loading$: BehaviorSubject<boolean>;
    entity$: BehaviorSubject<T[]>;
    pageSizes: number[];
    lastCountInPage: number;
    total: number;
    totalPages: number;
    currentPage: number;
    lastFilter: TFilter;
    private storageSrv;
    private localPageSize;
    connect(): Observable<any[]>;
    get pageSize(): number;
    set pageSize(v: number);
    disconnect(): void;
    setPage(pageIndex: number): void;
    loadItems(filter?: TFilter, sort?: SortValue, page?: {
        currentPage: number;
        pageSize: number;
    }): Observable<{
        data: T[];
        meta?: Meta;
    }>;
    fetch(filter: TFilter, sort: SortValue, pageNumber: number, pageSize: number): Observable<TResponse<T>>;
    clear(): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<GmTableDatasource<any, any>, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<GmTableDatasource<any, any>>;
}