export interface UseTypingIndicatorProps {
    conversationId: string;
}
export interface UseTypingIndicatorValues {
    /** userIds of people currently typing (current user is excluded) */
    typingUsers: string[];
    /** Call on each keystroke — internally throttles the keep-alive emit to every 2 s */
    startTyping: () => void;
    /** Call on send, input clear, or blur */
    stopTyping: () => void;
}
/**
 * Manages the typing indicator for a conversation.
 *
 * Sender side protocol (§6.5 of design):
 * 1. On first keystroke after idle: emit `typing:start` immediately.
 * 2. Re-emit `typing:start` every 2 s as a keep-alive while typing continues.
 * 3. On send / blur / input clear: cancel keep-alive, emit `typing:stop`.
 */
declare function useTypingIndicator({ conversationId, }: UseTypingIndicatorProps): UseTypingIndicatorValues;
export default useTypingIndicator;