import { ElementRef } from '@angular/core';
import { ControlValueAccessor, FormControl, NgControl } from '@angular/forms';
import * as i0 from "@angular/core";
export declare abstract class InputDirective<T> implements ControlValueAccessor {
    ngControl: NgControl;
    protected readonly elementRef: ElementRef;
    constructor(ngControl: NgControl, elementRef: ElementRef);
    get formControl(): FormControl<T>;
    hint: string | number | null;
    id: string;
    placeholder: string | null;
    label: string;
    get isRequired(): boolean;
    onChange: (value: T) => void;
    onTouched: () => void;
    writeValue: (value: T) => void;
    registerOnChange(fn: (value: T) => void): void;
    registerOnTouched(fn: () => void): void;
    scrollIntoView(options?: ScrollIntoViewOptions): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<InputDirective<any>, [{ optional: true; self: true; }, null]>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<InputDirective<any>, "[proInputDirective][formControl][label]", never, { "hint": { "alias": "hint"; "required": false; }; "id": { "alias": "id"; "required": false; }; "placeholder": { "alias": "placeholder"; "required": false; }; "label": { "alias": "label"; "required": true; }; }, {}, never, never, true, never>;
}