/**
 *  The message type of a ping message.
 *
 * @deprecated
 */
export declare enum PingMessageType {
    /** Unknown ping message type */
    Unknown = "Unknown",
    /** The hello ping message type */
    Hello = "Hello",
    /** The keep alive ping message type */
    KeepAlive = "KeepAlive",
    /** The finish ping message type */
    Finish = "Finish",
    /** The error message type */
    Error = "Error"
}
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