import { BehaviorSubject } from 'rxjs';
import { SourceOptions, TransferFilterData, TransferFilterItem, TransferItemNode } from './interface';
export declare class NmTransferPickerService {
    dataSourceChange: BehaviorSubject<Array<TransferItemNode>>;
    filtersChange: BehaviorSubject<Array<TransferFilterItem>>;
    sourceOptionsChange: BehaviorSubject<SourceOptions>;
    selectedValuesChange: BehaviorSubject<Array<string>>;
    private _dataSource;
    private filterData;
    private keyword;
    private originalDataSource;
    private filteredDataSource;
    private compareMap;
    private conditionMap;
    dataSource: Array<TransferItemNode>;
    sourceOptions: SourceOptions;
    selectedValues: Array<string>;
    constructor();
    filterDataSource({ filterData, keyword }: {
        filterData?: TransferFilterData;
        keyword?: string;
    }): void;
    resetDataSource(): void;
    private filterDataSourceByType;
    private setFilteredDataSourceByFilters;
    private setFilteredDataSourceByKeyword;
}