import { ElementRef, Injector, OnDestroy, OnInit, Renderer2 } from '@angular/core';
import { ControlContainer } from '@angular/forms';
import { NgtControlValueAccessor } from '../../../../base/ngt-control-value-accessor';
import { NgtStylizableDirective } from '../../../../directives/ngt-stylizable/ngt-stylizable.directive';
import { NgtTranslateService } from '../../../../services/http/ngt-translate.service';
import { NgtStylizableService } from '../../../../services/ngt-stylizable/ngt-stylizable.service';
import { NgtFormComponent } from '../ngt-form/ngt-form.component';
import * as i0 from "@angular/core";
export declare class NgtTextareaComponent extends NgtControlValueAccessor implements OnInit, OnDestroy {
    private ngtStylizableDirective;
    formContainer: ControlContainer;
    private ngtFormComponent;
    private renderer;
    protected injector: Injector;
    ngtTranslateService: NgtTranslateService;
    element: ElementRef;
    label: string;
    placeholder: string;
    rows: string;
    showCharactersLength: boolean;
    helpTitle: string;
    helpText: string;
    helpTextColor: string;
    shining: boolean;
    name: string;
    isDisabled: boolean;
    isReadonly: boolean;
    jit: boolean;
    focus: boolean;
    isRequired: boolean;
    maxLength: number;
    readonly onValueChange: import("@angular/core").OutputEmitterRef<string>;
    componentReady: boolean;
    ngtStyle: NgtStylizableService;
    private subscriptions;
    constructor(ngtStylizableDirective: NgtStylizableDirective, formContainer: ControlContainer, ngtFormComponent: NgtFormComponent, renderer: Renderer2, injector: Injector, ngtTranslateService: NgtTranslateService);
    ngOnChanges(changes: any): void;
    ngOnInit(): void;
    ngOnDestroy(): void;
    setFocus(): void;
    clear(): void;
    change(value: any): void;
    getRemainingCharacters(): number;
    private initComponent;
    private updateValidations;
    private getNativeValue;
    private destroySubscriptions;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgtTextareaComponent, [{ optional: true; self: true; }, { optional: true; host: true; }, { optional: true; skipSelf: true; }, null, null, { optional: true; }]>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NgtTextareaComponent, "ngt-textarea", never, { "label": { "alias": "label"; "required": false; }; "placeholder": { "alias": "placeholder"; "required": false; }; "rows": { "alias": "rows"; "required": false; }; "showCharactersLength": { "alias": "showCharactersLength"; "required": false; }; "helpTitle": { "alias": "helpTitle"; "required": false; }; "helpText": { "alias": "helpText"; "required": false; }; "helpTextColor": { "alias": "helpTextColor"; "required": false; }; "shining": { "alias": "shining"; "required": false; }; "name": { "alias": "name"; "required": false; }; "isDisabled": { "alias": "isDisabled"; "required": false; }; "isReadonly": { "alias": "isReadonly"; "required": false; }; "jit": { "alias": "jit"; "required": false; }; "focus": { "alias": "focus"; "required": false; }; "isRequired": { "alias": "isRequired"; "required": false; }; "maxLength": { "alias": "maxLength"; "required": false; }; }, { "onValueChange": "onValueChange"; }, never, ["*"], false, never>;
}