/**
 * Internal custom hook for managing chat history logic.
 */
export declare const useChatHistoryInternal: () => {
    isLoadingChatHistory: boolean;
    setIsLoadingChatHistory: import("react").Dispatch<import("react").SetStateAction<boolean>>;
    hasChatHistoryLoaded: boolean;
    showChatHistory: () => Promise<void>;
};
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