import { ElementRef, AfterViewInit, OnChanges, SimpleChanges, DoCheck, ChangeDetectorRef, OnDestroy } from '@angular/core';
import { NgControl } from '@angular/forms';
import { FormControlInput, FormControlHost, FormControlErrorStateAgent } from '../form-control-group/index';
import { FormControlMaterialInput } from '../material-design-inputs/index';
export declare class TextareaDirective implements OnDestroy, AfterViewInit, OnChanges, DoCheck, FormControlInput, FormControlMaterialInput {
    private elementRef;
    private cdRef;
    ngControl?: NgControl;
    private formControlHost?;
    private _errorStateAgent?;
    constructor(elementRef: ElementRef<HTMLTextAreaElement>, cdRef: ChangeDetectorRef, ngControl?: NgControl, formControlHost?: FormControlHost, _errorStateAgent?: FormControlErrorStateAgent);
    private stateChangedEmitter;
    private _focused;
    private generatedId;
    controlType: string;
    stateChanged: import("rxjs").Observable<void>;
    classVclInput: boolean;
    readonly elementId: string;
    readonly isDisabled: boolean;
    id?: string;
    disabled: boolean;
    autoselect: boolean;
    autogrow: boolean;
    maxRows: number | undefined;
    minRows: number | undefined;
    rows: number;
    errorStateAgent?: FormControlErrorStateAgent;
    readonly isFocused: boolean;
    readonly isLabelFloating: boolean;
    readonly value: string;
    readonly hasError: boolean;
    onChange(): void;
    onFocus(): void;
    onBlur(): void;
    ngOnChanges(changes: SimpleChanges): void;
    ngDoCheck(): void;
    ngAfterViewInit(): void;
    onLabelClick(event: Event): void;
    setRows(value: string): void;
    notifyFormControlLabelClick(event: Event): void;
    ngOnDestroy(): void;
}