export declare class UsageStats {
    id: string;
    tenant_id: string;
    agent_id: string;
    date: string;
    conversations_count: number;
    messages_count: number;
    tokens_used: number;
    user_messages: number;
    assistant_messages: number;
    model_used: string;
    provider_used: string;
    created_at: Date;
}