import { EventEmitter } from '@angular/core';
import { ControlValueAccessor, Validator, ValidationErrors, AbstractControl } from '@angular/forms';
declare type ValueAccessorHandler<T> = (_: T) => void;
declare type ValidatorChangeHandler = () => void;
export declare class ValueAccessorValueComponent<T> implements ControlValueAccessor, Validator {
    get value(): T | undefined;
    set value(val: T | undefined);
    protected _value: T | undefined;
    valueChange: EventEmitter<T>;
    validate(control: AbstractControl): ValidationErrors | null;
    propagateChange: ValueAccessorHandler<T>;
    propagateTouch: ValueAccessorHandler<T>;
    propagateValidatorChange: ValidatorChangeHandler;
    writeValue(value: T): void;
    registerOnChange(fn: ValueAccessorHandler<T>): void;
    registerOnTouched(fn: ValueAccessorHandler<T>): void;
    registerOnValidatorChange(fn: ValidatorChangeHandler): void;
}
export {};