import { EventEmitter } from '@angular/core';
import { ControlValueAccessor } from '@angular/forms';
import { NzCheckBoxOptionInterface } from 'ng-zorro-antd/checkbox';
export declare class GnCheckboxGroupComponent implements ControlValueAccessor {
    items: NzCheckBoxOptionInterface[];
    private innerValue;
    set value(v: any);
    get value(): any;
    valueChanged: EventEmitter<any>;
    valueChange: (value: any) => void;
    registerOnChange(fn: any): void;
    registerOnTouched(fn: any): void;
    writeValue(obj: any): void;
}