import type { MatSort } from "@angular/material/sort";
import { MatTableDataSource } from "@angular/material/table";
/**
 * Extends MatDataSource with custom filter function
 */
export declare type CustomFilterPredicate<T> = (data: T, filter: string, defaultFilterPredicate: ((data: T, filter: string) => boolean)) => boolean;
/**
 * Extends MatDataSource with data sort function
 */
export declare type CustomSortData<T> = (data: T[], sort: MatSort, defaultSortData: (data: T[], sort: MatSort) => T[]) => T[];
/**
 * Extends MatTableDataSource with custom filter function
 */
export declare class CustomMatTableDataSource<T> extends MatTableDataSource<T> {
    constructor(initialData?: T[], options?: {
        customSortData?: CustomSortData<T>;
        customFilterPredicate?: CustomFilterPredicate<T>;
    });
    /**
     * Forces data source to refresh {@link filteredData} field based on {@link customFilterPredicate}
     */
    filterData(): void;
    /**
     * Sets custom data sort function
     */
    set customSortData(sortData: CustomSortData<T>);
    /**
     * Sets custom filter predicate
     */
    set customFilterPredicate(filterPredicate: CustomFilterPredicate<T>);
}