public static boolean isMBusError(int code) {
        return ((code < APP_TRANSIENT_ERROR) && isTransient(code))
               || ((code < APP_FATAL_ERROR) && isFatal(code))
               || ((code < TRANSIENT_ERROR) && (code >= NONE));
    }
Translates the given error code into its symbolic name.

@param error The error code to translate.
@return The symbolic name.
messagebus/src/main/java/com/yahoo/messagebus/ErrorCode.java