import { OnInit, EventEmitter } from '@angular/core';
import { ActionDefinitionBulk, AutoTableConfig } from '../models';
import { FormControl } from '@angular/forms';
import { SelectionModel } from '@angular/cdk/collections';
import { Subject, Observable } from 'rxjs';
import { HeaderKeyList } from '../models.internal';
export declare class NgxAutoTableHeaderComponent implements OnInit {
    $setSearchText: Observable<string>;
    config: AutoTableConfig<any>;
    IsPerformingBulkAction: boolean;
    HasNoItems: boolean;
    IsMaxReached: boolean;
    headerKeyValues: HeaderKeyList;
    selectedHeaderKeys: string[];
    selectionMultiple: SelectionModel<any>;
    searchChanged: EventEmitter<string>;
    searchHeadersChanged: EventEmitter<string[]>;
    columnsChanged: EventEmitter<string[]>;
    bulkActionStatus: EventEmitter<boolean>;
    autoCompleteObscureName: any;
    searchControl: FormControl;
    chooseColumnsControl: FormControl;
    tool: any;
    $clearTrigger: Subject<unknown>;
    private logger;
    hasInitialized: boolean;
    constructor();
    ngOnInit(): void;
    onClickBulkAction(action: ActionDefinitionBulk<any>, btnBulkAction: any): Promise<void>;
    onClickCancelBulk(): void;
    onSearchChanged(newSearchString: string): void;
    onColumnsChanged(newColumnsArray: string[]): void;
    onSearchHeadersChanged(newColumnsArray: string[]): void;
}