import { ControlValueAccessor } from "@angular/forms";
import { DatePipe } from "@angular/common";
export declare class ValueAccessorBase<E> implements ControlValueAccessor {
    private _value;
    private _changed;
    private _touched;
    protected pipe: DatePipe;
    formatDate(date: Date): string;
    get value(): E;
    set value(value: E);
    touch(): void;
    writeValue(value: E): void;
    registerOnChange(fn: (value: E) => void): void;
    registerOnTouched(fn: () => void): void;
}