import { Accessibility, TextAreaBehaviorProps } from '@fluentui/accessibility';
import { ComponentEventHandler, FluentComponentStaticProps } from '../../types';
import * as React from 'react';
import * as PropTypes from 'prop-types';
import { UIComponentProps, ChildrenComponentProps } from '../../utils';
export interface TextAreaProps extends UIComponentProps, ChildrenComponentProps {
    /** Accessibility behavior if overridden by the user. */
    accessibility?: Accessibility<TextAreaBehaviorProps>;
    /** The default value of the text area. */
    defaultValue?: string;
    /**
     * Called on change.
     *
     * @param event - React's original SyntheticEvent.
     * @param data - All props.
     */
    onChange?: ComponentEventHandler<TextAreaProps>;
    /** The value of the text area. */
    value?: string;
    /** The text area becomes read-only. */
    disabled?: boolean;
    /** An input can have inverted colors. */
    inverted?: boolean;
    /** A textarea can be resized. */
    resize?: 'none' | 'both' | 'horizontal' | 'vertical';
    /** A textarea can take the width of its container. */
    fluid?: boolean;
    /** A text area can have error state. */
    error?: boolean;
    /** A text area can be required to be valid. */
    required?: boolean;
}
export declare type TextAreaStylesProps = Required<Pick<TextAreaProps, 'inverted' | 'resize' | 'fluid' | 'disabled' | 'error'>>;
export declare const textAreaClassName = "ui-textarea";
/**
 * A TextArea is a multi-line plan-text editing control.
 *
 * @accessibility
 * For good screen reader experience set `aria-label` or `aria-labelledby` attribute for textarea.
 * When using maxlength attribute, provide the information about max length in label for screen reader.
 * @accessibilityIssues
 * [NVDA - No announcement of maxlength](https://github.com/nvaccess/nvda/issues/7910)
 * [JAWS - textarea - no announcement of maxlength](https://github.com/FreedomScientific/VFO-standards-support/issues/300)
 */
export declare const TextArea: (<TExtendedElementType extends React.ElementType<any> = "textarea">(props: React.RefAttributes<HTMLTextAreaElement> & Omit<import("@fluentui/react-bindings").PropsOfElement<TExtendedElementType>, "as" | keyof TextAreaProps> & {
    as?: TExtendedElementType;
} & TextAreaProps) => JSX.Element) & {
    propTypes?: React.WeakValidationMap<TextAreaProps> & {
        as: React.Requireable<string | ((props: any, context?: any) => any) | (new (props: any, context?: any) => any)>;
    };
    contextTypes?: PropTypes.ValidationMap<any>;
    defaultProps?: Partial<TextAreaProps & {
        as: "textarea";
    }>;
    displayName?: string;
    readonly __PRIVATE_PROPS?: React.RefAttributes<HTMLTextAreaElement> & Omit<Pick<React.DetailedHTMLProps<React.TextareaHTMLAttributes<HTMLTextAreaElement>, HTMLTextAreaElement>, "key" | keyof React.TextareaHTMLAttributes<HTMLTextAreaElement>> & {
        ref?: React.Ref<HTMLTextAreaElement>;
    }, "as" | keyof TextAreaProps> & {
        as?: "textarea";
    } & TextAreaProps;
} & FluentComponentStaticProps<TextAreaProps>;