import { DoCheck, ElementRef } from '@angular/core';
import { BooleanInput } from '@angular/cdk/coercion';
import { FieldComponent } from '../../field/public_api';
import { NgControl } from '@angular/forms';
import * as i0 from "@angular/core";
import * as i1 from "../../common/sapphire-view-encapsulation";
export declare class TextFieldInputDirective implements DoCheck {
    private _elementRef;
    private ngControl;
    field: FieldComponent;
    readonly textarea: boolean;
    id: string;
    disabled: BooleanInput;
    required: string;
    valueLength: number;
    autofillStyle?: string;
    ngDoCheck(): void;
    private onBlur;
    private updateValueLength;
    get style(): string | undefined;
    get isDisabled(): boolean;
    private updateAutofillStyle;
    constructor(_elementRef: ElementRef<HTMLInputElement | HTMLTextAreaElement>, ngControl: NgControl, field: FieldComponent);
    static ɵfac: i0.ɵɵFactoryDeclaration<TextFieldInputDirective, [null, { optional: true; self: true; }, { optional: true; }]>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<TextFieldInputDirective, "[spTextFieldInput]", never, { "id": "id"; "disabled": "disabled"; "required": "required"; }, {}, never, never, false, [{ directive: typeof i1.UseComponentStyles; inputs: {}; outputs: {}; }]>;
}