/**
 * Enumeration of events related to live text-to-speech synthesis.
 *
 * - `Open`: Built-in socket event for when the connection is opened.
 * - `Close`: Built-in socket event for when the connection is closed.
 * - `Error`: Built-in socket event for when an error occurs.
 * - `Metadata`: Event for when metadata is received.
 * - `Flushed`: Event for when the server has flushed the buffer.
 * - `Warning`: Event for when a warning is received.
 * - `Unhandled`: Catch-all event for any other message event.
 */
export declare enum LiveTTSEvents {
    /**
     * Built in socket events.
     */
    Open = "Open",
    Close = "Close",
    Error = "Error",
    /**
     * Message { type: string }
     */
    Metadata = "Metadata",
    Flushed = "Flushed",
    Warning = "Warning",
    /**
     * Audio data event.
     */
    Audio = "Audio",
    /**
     * Catch all for any other message event
     */
    Unhandled = "Unhandled"
}
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