export default function useChatContext(): {
    isChatWindowOpen: boolean;
    setIsChatWindowOpen: (isChatWindowOpen: boolean) => void;
    connect: (token: string) => void;
    hasUnreadMessages: boolean;
    messages: import("@twilio/conversations/lib/message").Message[];
    conversation: import("@twilio/conversations/lib/conversation").Conversation | null;
};