Interface LiveServerEvent

interface LiveServerEvent {
    audio?: string;
    delegation_id?: string;
    delta?: string;
    end_ms?: number;
    error?: { client_event_id?: string; code?: string; message: string };
    event?: {
        item?: {
            arguments?: string;
            call_id?: string;
            name?: string;
            type?: string;
        };
        response?: {
            id?: string;
            usage?: {
                input_token_details?: {
                    audio_tokens?: number;
                    cached_tokens?: number;
                    text_tokens?: number;
                };
                input_tokens?: number;
                output_token_details?: { audio_tokens?: number; text_tokens?: number };
                output_tokens?: number;
            };
        };
        type: string;
    };
    event_id?: string;
    reason?: string;
    response_id?: string;
    session_id?: string;
    start_ms?: number;
    type: string;
    usage?: { input_tokens?: number; output_tokens?: number; seconds?: number };
}