import type { ChatHandlerReturn, UseChatHandlerProps } from './types.js';
/**
 * Main chat handler hook that manages LLM conversations and tool execution.
 * Orchestrates streaming responses, tool calls, and conversation state.
 */
export declare function useChatHandler({ client, toolManager, messages, setMessages, currentProvider, currentModel, setIsCancelling, addToChatQueue, getNextComponentKey, abortController, setAbortController, developmentMode, nonInteractiveMode, onStartToolConfirmationFlow, onConversationComplete, }: UseChatHandlerProps): ChatHandlerReturn;
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