import React from 'react';
import { DropEvent, TextAreaProps } from '@patternfly/react-core';
export interface MessageBarWithAttachMenuProps {
    /** Flag to enable whether attach menu is open */
    isAttachMenuOpen: boolean;
    /** Callback to close attach menu */
    setIsAttachMenuOpen: (isOpen: boolean) => void;
    /** Items in menu */
    attachMenuItems: React.ReactNode;
    /** A callback for when the attachment menu toggle is clicked */
    onAttachMenuToggleClick: () => void;
    /** A callback for when the input value in the menu changes. */
    onAttachMenuInputChange: (value: string) => void;
    /** Function callback called when user selects item in menu. */
    onAttachMenuSelect?: (event?: React.MouseEvent<Element, MouseEvent>, value?: string | number) => void;
    /** Placeholder for search input */
    attachMenuInputPlaceholder?: string;
    /** Keys that trigger onOpenChange, defaults to tab and escape. It is highly recommended to include Escape in the array, while Tab may be omitted if the menu contains non-menu items that are focusable. */
    onAttachMenuOnOpenChangeKeys?: string[];
    /** Callback to change the open state of the menu. Triggered by clicking outside of the menu. */
    onAttachMenuOpenChange?: (isOpen: boolean) => void;
}
export interface MessageBarProps extends TextAreaProps {
    /** Callback to get the value of input message by user */
    onSendMessage: (message: string) => void;
    /** Class Name for the MessageBar component */
    className?: string;
    /** Flag to always to show the send button. By default send button is shown when there is a message in the input field */
    alwayShowSendButton?: boolean;
    /** Flag to disable/enable the Attach button  */
    hasAttachButton?: boolean;
    /** Flag to enable the Microphone button  */
    hasMicrophoneButton?: boolean;
    /** Callback function for when attach button is used to upload a file */
    handleAttach?: (data: File[], event: DropEvent) => void;
    /** Props to enable a menu that opens when the Attach button is clicked, instead of the attachment window */
    attachMenuProps?: MessageBarWithAttachMenuProps;
    /** Flag to provide manual control over whether send button is disabled */
    isSendButtonDisabled?: boolean;
}
export declare const MessageBar: React.FunctionComponent<MessageBarProps>;
export default MessageBar;