import { EventEmitter, OnChanges, OnInit, SimpleChanges } from '@angular/core';
import { TerraBaseTreeComponent } from '../base/terra-base-tree.component';
import { TerraCheckboxLeafInterface } from '../leaf/terra-checkbox-leaf.interface';
import * as i0 from "@angular/core";
/**
 * @deprecated since v5. Use mat-tree instead.
 */
export declare class TerraCheckboxTreeComponent extends TerraBaseTreeComponent implements OnInit, OnChanges {
    /**
     * @description current level leaf list
     */
    inputLeafList: Array<TerraCheckboxLeafInterface>;
    /**
     * @description leafs one level higher than current leaf
     */
    inputParentLeafList: Array<TerraCheckboxLeafInterface>;
    /**
     * @description complete leaf list for better and faster searching
     */
    inputCompleteLeafList: Array<TerraCheckboxLeafInterface>;
    /**
     * @description get the current selected leaf list
     */
    valueChange: EventEmitter<TerraCheckboxLeafInterface>;
    _selectedLeafList: Array<TerraCheckboxLeafInterface>;
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    /**
     * @description event which is triggered when any checkbox is clicked
     * @param event
     * @param leaf
     */
    _onCheckboxValueChange(event: boolean, leaf: TerraCheckboxLeafInterface): void;
    private _resetIndeterminateLeafState;
    /**
     * @description
     * @param leaf
     */
    private _recursiveUpdateChildLeafs;
    private _recursiveUpdateParentLeafs;
    private _updateStateValuesOfLeaf;
    private _getParentLeafState;
    private _appendParentsToLeafList;
    private _recursiveAppendParentToSubLeafs;
    private _recursiveSetIndeterminateToParent;
    static ɵfac: i0.ɵɵFactoryDeclaration<TerraCheckboxTreeComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<TerraCheckboxTreeComponent, "terra-checkbox-tree", never, { "inputLeafList": "inputLeafList"; "inputParentLeafList": "inputParentLeafList"; "inputCompleteLeafList": "inputCompleteLeafList"; }, { "valueChange": "valueChange"; }, never, never>;
}