/**
 * Event notification message sent when specific events occur during TTS processing
 */
export interface EventResponse {
    /** Message type identifier for events */
    type: "event";
    data: EventResponse.Data;
}
export declare namespace EventResponse {
    interface Data {
        /** Type of event that occurred */
        event_type: "final";
        /** Human-readable description of the event */
        message?: string | undefined;
        /** ISO 8601 timestamp when the event occurred */
        timestamp?: string | undefined;
    }
}