/**
 * @license
 * Copyright Datorama. All Rights Reserved.
 *
 * Use of this source code is governed by an Apache License 2.0 license that can be
 * found in the LICENSE file at https://github.com/datorama/client-core/blob/master/LICENSE
 */
export declare class BaseCustomControl {
    onChange: (_: any) => void;
    onTouched: () => void;
    /**
     *
     * @param {(_: any) => void} fn
     */
    registerOnChange(fn: (_: any) => void): void;
    /**
     *
     * @param {() => void} fn
     */
    registerOnTouched(fn: () => void): void;
}