import { ChangeDetectorRef, ElementRef, EventEmitter, AfterViewInit } from '@angular/core';
import { ControlValueAccessor, NgControl, NgModel } from '@angular/forms';
export declare class PickerAbstract implements ControlValueAccessor, AfterViewInit {
    private _element;
    private changeRef;
    private ngControl?;
    readonly valueChange: EventEmitter<Date | null>;
    pickerSelector: string;
    picker: any;
    ngModel: NgModel;
    private innerDateValue;
    outerValue: string;
    constructor(_element: ElementRef, changeRef: ChangeDetectorRef, ngControl?: NgControl);
    ngAfterViewInit(): void;
    writeValue(newValue: Date): void;
    onChange: (value: any) => void;
    onTouch: () => void;
    registerOnChange(fn: any): void;
    registerOnTouched(fn: any): void;
    changeHandler(changedVal: {
        inner: Date;
        outer: string;
        refreshOuter: boolean;
    }): void;
    private propogateInnerValueChange;
}