export interface ChatSource {
    type: string;
    label: string;
    url?: string;
}
export interface ChatMessage {
    id: string;
    role: 'user' | 'assistant';
    content: string;
    sources?: ChatSource[];
    toolCalls?: string[];
}
export declare function useChatStream(publishableKey: string): {
    messages: ChatMessage[];
    isStreaming: boolean;
    sendMessage: (content: string, companyId?: string) => Promise<void>;
    clearMessages: () => void;
};
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