export interface AthenaChatComposerProps {
    className?: string;
    /** Disables input; useful while a room is still resolving. */
    isDisabled?: boolean;
    placeholder?: string;
}
/**
 * Message composer with mention autocomplete, attachments and edit/reply modes.
 *
 * `Enter` sends and `Shift+Enter` inserts a newline, matching every mainstream
 * chat client; `Escape` cancels an in-flight edit or reply.
 */
export declare function AthenaChatComposer({ className, isDisabled, placeholder }: AthenaChatComposerProps): import("react").JSX.Element;