/** 
 * Copyright © INOVUA TRADING.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
import { TypeSingleFilterValue, TypeColumn, TypeFilterParam, TypeFilter } from './types';
export declare const buildTypeOperators: (filterTypes: any) => any;
export declare const buildFilterParam: (item: any, fv: TypeSingleFilterValue, filterTypes: any, columnsMap: {
    [key: string]: TypeColumn;
} | undefined) => TypeFilterParam;
export declare const hasTypeOperators: (fn: ((arg: any) => any) | undefined, currentTypeOperators: any, type: string) => boolean;
export declare const hasTypeOperator: (fn: ((arg: any) => any) | undefined, currentTypeOperators: any, type: string, operator: string) => boolean;
export declare const checkForEmptyValue: (filterValue: string | number | undefined, emptyValue: string | number | undefined, filterOnEmptyValue: string | number) => boolean;
export declare const validateFilters: (fv: TypeSingleFilterValue, filterTypes: any, currentTypeOperators: any) => boolean;
declare const filter: TypeFilter;
export default filter;