import { SearchItem } from './search/search.component';
import { Search, ColumnFilter } from '../am/am.component';
import { I18nService } from '../service/i18n.service';
export declare const searchUtils: {
    flattenTree: (nodes: any[]) => any[];
    transferFilter: (item: SearchItem) => ColumnFilter | undefined;
    concatFilter: (search: Search | undefined, filter: ColumnFilter) => Search;
    extractSearchItems: (columnDefs: any, i18n: I18nService, searchItems?: SearchItem[]) => SearchItem[];
    cascadeColumnFilters: (searchClear: string, columnFilters: ColumnFilter[], searchItems: SearchItem[]) => ColumnFilter[];
    translate: (operatorList: any[], i18n: I18nService) => any[];
};