import { EventEmitter, OnInit, OnChanges, ElementRef, SimpleChanges } from '@angular/core';
export declare class NzSearchbarNetComponent implements OnInit, OnChanges {
    el: ElementRef;
    keywords: string;
    isSearch: boolean;
    maxlength: number;
    alwaysExp: boolean;
    background: string;
    color: string;
    iconStart: boolean;
    searching: EventEmitter<any>;
    constructor(el: ElementRef);
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    clickEvent(): void;
    closeSearchBar(): void;
    search(): void;
}