import { Question } from "../question";
export interface ITextArea {
    question: any;
    id: () => string;
    propertyNames: Array<string>;
    className: () => string;
    isDisabledAttr: () => boolean;
    isReadOnlyAttr?: () => boolean;
    placeholder: () => string;
    autoGrow: () => boolean;
    maxLength: () => number;
    rows: () => number;
    cols?: () => number;
    getTextValue?: () => any;
    onTextAreaChange?: (event: any) => void;
    onTextAreaInput?: (event: any) => void;
    onTextAreaKeyDown?: (event: any) => void;
    onTextAreaBlur?: (event: any) => void;
    onTextAreaFocus?: (event: any) => void;
    ariaRequired: () => "true" | "false";
    ariaLabel: () => string;
    ariaInvalid?: () => "true" | "false";
    ariaLabelledBy?: () => string;
    ariaDescribedBy?: () => string;
    ariaErrormessage?: () => string;
}
export declare class TextAreaModel {
    private options;
    private element;
    updateElement(): void;
    private onPropertyChangedCallback;
    constructor(options: ITextArea);
    setElement(element: HTMLTextAreaElement | null): void;
    resetElement(): void;
    getTextValue(): string;
    onTextAreaChange(event: any): void;
    onTextAreaInput(event: any): void;
    onTextAreaKeyDown(event: any): void;
    onTextAreaBlur(event: any): void;
    onTextAreaFocus(event: any): void;
    get question(): Question;
    get id(): string;
    get placeholder(): string;
    get className(): string;
    get maxLength(): number;
    get autoGrow(): boolean;
    get rows(): number;
    get cols(): number | undefined;
    get isDisabledAttr(): boolean;
    get isReadOnlyAttr(): boolean | undefined;
    get ariaRequired(): "true" | "false";
    get ariaLabel(): string;
    get ariaInvalid(): "true" | "false";
    get ariaLabelledBy(): string;
    get ariaDescribedBy(): string;
    get ariaErrormessage(): string;
    dispose(): void;
}