import { BehaviorSubject, Subscription } from 'rxjs';
import { DataSource } from '@angular/cdk/collections';
import { RealsoftPaginator } from '../paginator/paginator';
import { RealsoftSort } from '../sort/sort';
export declare class RealsoftTableDataSource<T, P extends RealsoftPaginator = RealsoftPaginator> extends DataSource<T> {
    private readonly _data;
    private readonly _renderData;
    private readonly _filter;
    private readonly _internalPageChanges;
    /**
     * Subscription to the changes that should trigger an update to the table's rendered rows, such
     * as filtering, sorting, pagination, or base data changes.
     */
    _renderChangesSubscription: Subscription | null;
    filteredData: T[];
    get data(): T[];
    set data(data: T[]);
    get filter(): string;
    set filter(filter: string);
    get sort(): RealsoftSort | null;
    set sort(sort: RealsoftSort | null);
    private _sort;
    get paginator(): P | null;
    set paginator(paginator: P | null);
    private _paginator;
    /**
     * ensures proper sorting behavior in tables when sorting mixed data types
     * prevents issues with large numbers that js cannot safely handle.
     * avoids coercion problems where "25" string may be treated differently than 25 (number)
     * Ensures proper sorting behavior in tables, especially when sorting mixed data types.
     */
    sortingDataAccessor: (data: T, sortHeaderId: string) => string | number;
    sortData: (data: T[], sort: RealsoftSort) => T[];
    /**
     * @returns true if any value in the object matches the filter, otherwise it returns false;
     */
    filterPredicate: (data: T, filter: string) => boolean;
    constructor(initialData?: T[]);
    _updateChangeSubscription(): void;
    _filterData(data: T[]): T[];
    _orderData(data: T[]): T[];
    _pageData(data: T[]): T[];
    _updatePaginator(filteredDataLength: number): void;
    connect(): BehaviorSubject<T[]>;
    disconnect(): void;
}