import type { TamboThreadMessage } from "../types/message";
/**
 * Return type for useTamboMessages hook
 */
export interface UseTamboThreadMessagesReturn {
    /**
     * All messages in the thread
     */
    messages: TamboThreadMessage[];
    /**
     * The most recent message (last in the list)
     */
    lastMessage: TamboThreadMessage | undefined;
    /**
     * User messages only
     */
    userMessages: TamboThreadMessage[];
    /**
     * Assistant messages only
     */
    assistantMessages: TamboThreadMessage[];
    /**
     * Whether there are any messages
     */
    hasMessages: boolean;
    /**
     * Total message count
     */
    messageCount: number;
}
/**
 * Hook to access messages in a thread.
 *
 * Provides filtered views of messages (user-only, assistant-only)
 * and metadata about the message list.
 * @param threadId - Thread ID to get messages for
 * @returns Message list and utilities
 * @example
 * ```tsx
 * function MessageList({ threadId }: { threadId: string }) {
 *   const { messages, hasMessages, lastMessage } = useTamboMessages(threadId);
 *
 *   if (!hasMessages) {
 *     return <EmptyState />;
 *   }
 *
 *   return (
 *     <div>
 *       {messages.map(msg => (
 *         <Message key={msg.id} message={msg} />
 *       ))}
 *     </div>
 *   );
 * }
 * ```
 */
export declare function useTamboMessages(threadId: string): UseTamboThreadMessagesReturn;
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