import { EventEmitter, ChangeDetectorRef } from '@angular/core';
import { AbstractControl, ControlValueAccessor, ValidationErrors, Validator, ValidatorFn } from '@angular/forms';
import { CdkTextareaAutosize } from '@angular/cdk/text-field';
import * as i0 from "@angular/core";
export declare class CustomTextareaComponent implements ControlValueAccessor, Validator {
    private cdr;
    lang: string;
    label: string;
    name: string;
    disabled: boolean;
    required: boolean;
    minLength?: number;
    maxLength?: number;
    pattern?: string | RegExp;
    customValidator?: ValidatorFn;
    nzAutosize: boolean;
    autosize?: CdkTextareaAutosize;
    errorMessages: {
        [key: string]: string;
    };
    valueChange: EventEmitter<string>;
    focus: EventEmitter<void>;
    blur: EventEmitter<void>;
    value: string;
    isFocused: boolean;
    private touched;
    private onChange;
    private onTouched;
    private control;
    private onValidatorChange;
    get currentErrorMessage(): string;
    get showError(): boolean;
    constructor(cdr: ChangeDetectorRef);
    writeValue(value: string): void;
    registerOnChange(fn: (value: string) => void): void;
    registerOnTouched(fn: () => void): void;
    registerOnValidatorChange(fn: () => void): void;
    setDisabledState(isDisabled: boolean): void;
    onBlur(): void;
    handleValueChange(value: string): void;
    validate(control: AbstractControl | null): ValidationErrors | null;
    static ɵfac: i0.ɵɵFactoryDeclaration<CustomTextareaComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<CustomTextareaComponent, "app-rd-textarea", never, { "lang": "lang"; "label": "label"; "name": "name"; "disabled": "disabled"; "required": "required"; "minLength": "minLength"; "maxLength": "maxLength"; "pattern": "pattern"; "customValidator": "customValidator"; "nzAutosize": "nzAutosize"; "errorMessages": "errorMessages"; }, { "valueChange": "valueChange"; "focus": "focus"; "blur": "blur"; }, never, never, false, never>;
}