import { PipeTransform } from '@angular/core';
import { JdOptionComponent } from './jd-option.component';
import { JdOptionGroupComponent } from './jd-option-group.component';
import { Subject } from "rxjs";
export declare type TFilterOption = (input?: string, option?: JdOptionComponent) => boolean;
export declare class JdOptionPipe implements PipeTransform {
    constructor();
    transform(options: JdOptionComponent[], input: string, filterOption: TFilterOption, serverSearch: boolean, notSearchResult$?: Subject<{
        isNeedLoading: boolean;
        value: string;
    }>, isLoading?: boolean): JdOptionComponent[];
}
export declare class JdSubOptionPipe implements PipeTransform {
    transform(groups: JdOptionGroupComponent[], input: string, filterOption: TFilterOption, serverSearch: boolean): JdOptionGroupComponent[];
}
export declare function defaultFilterOption(input: string, option: JdOptionComponent): boolean;