import { Column } from '../classes/column.class';
import { Filter } from '../classes/filter.class';
import { ValueFormatter } from '../classes/value-formatter.class';
export declare class FilterPipe {
    private _searchStringApplicableForNumbers;
    private _searchStringApplicableForDates;
    private isEmpty;
    match(row: any, columns: Column[], filters: Filter[], searchString: string, valueFormatter?: ValueFormatter): boolean;
    transform(rows: any[], columns: Column[], filters: Filter[], searchString: string, vf: ValueFormatter): any[];
}