/**
 * useMessageState - simplified message state management
 */
import type { Message } from '../types/common.js';
/**
 * Simplified hook for managing message state in Theater chat interfaces
 */
export declare function useMessageState(): {
    messages: Message[];
    addMessage: (role: Message["role"], content: string, toolName?: string, toolArgs?: string[]) => void;
    addToolMessage: (toolName: string, toolArgs?: string[]) => void;
    clearMessages: () => void;
    removeMessage: (index: number) => void;
    setMessages: import("react").Dispatch<import("react").SetStateAction<Message[]>>;
};