import { OnInit, EventEmitter, SimpleChanges, OnChanges } from '@angular/core';
import { FormControl, ControlValueAccessor, FormGroupDirective, NgForm } from '@angular/forms';
import { ErrorStateMatcher } from '@angular/material';
/** Error when invalid control is dirty or touched*/
export declare class TextAreaErrorStateMatcher implements ErrorStateMatcher {
    isErrorState(control: FormControl | null, form: FormGroupDirective | NgForm | null): boolean;
}
export declare const Text_Area_Component_CONTROL_VALUE_ACCESSOR: any;
export declare class TextAreaComponent implements OnInit, ControlValueAccessor, OnChanges {
    type: string;
    direction: string;
    pattern: string;
    className: any;
    readonly: any;
    required: any;
    placeHolder: any;
    hintText: any;
    minLength: any;
    maxLength: any;
    showCountValue: any;
    isDirty: any;
    showValidatorMessage: boolean;
    isValid: EventEmitter<boolean>;
    name: any;
    matcher: TextAreaErrorStateMatcher;
    id: string;
    element: FormControl;
    private innerValue;
    private onTouchedCallback;
    private onChangeCallback;
    value: any;
    onBlur(validate: any): void;
    writeValue(value: any): void;
    registerOnChange(fn: any): void;
    registerOnTouched(fn: any): void;
    changedInput(event: any, validate: any): void;
    onFocused(validate: any): void;
    constructor();
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    getErrorMessage(): string;
    getElement(val: any): void;
    idGenerator(): string;
}