/**
 * @license
 * Copyright Alibaba.com All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */
import { EventEmitter, OnChanges, SimpleChanges } from '@angular/core';
import { BooleanInput } from 'ng-zorro-antd/core/types';
export declare class NzTdAddOnComponent implements OnChanges {
    static ngAcceptInputType_nzShowExpand: BooleanInput;
    static ngAcceptInputType_nzShowCheckbox: BooleanInput;
    static ngAcceptInputType_nzExpand: BooleanInput;
    nzChecked: boolean;
    nzDisabled: boolean;
    nzIndeterminate: boolean;
    nzIndentSize: number;
    nzShowExpand: boolean;
    nzShowCheckbox: boolean;
    nzExpand: boolean;
    readonly nzCheckedChange: EventEmitter<boolean>;
    readonly nzExpandChange: EventEmitter<boolean>;
    private isNzShowExpandChanged;
    private isNzShowCheckboxChanged;
    onCheckedChange(checked: boolean): void;
    onExpandChange(expand: boolean): void;
    ngOnChanges(changes: SimpleChanges): void;
}