import { EventEmitter } from '@angular/core';
import { ControlValueAccessor } from '@angular/forms';
import * as i0 from "@angular/core";
export declare class ValueAccessorBase<T> implements ControlValueAccessor {
    protected _value: T;
    protected _initialized: boolean;
    protected _changed: ((v: T) => void)[];
    protected _touched: (() => void)[];
    protected _transform(value: any): T;
    valueChange: EventEmitter<any>;
    get value(): T;
    set value(value: T);
    touched(): void;
    writeValue(value: T): void;
    registerOnChange(fn: (value: T) => void): void;
    registerOnTouched(fn: () => void): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ValueAccessorBase<any>, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<ValueAccessorBase<any>, "ng-component", never, { "value": { "alias": "value"; "required": false; }; }, { "valueChange": "valueChange"; }, never, never, true, never>;
}