text: export const JANUS_VIDEOCALL_ERROR_UNKNOWN_ERROR = 499;
  export const JANUS_VIDEOCALL_ERROR_NO_MESSAGE = 470;
  export const JANUS_VIDEOCALL_ERROR_INVALID_JSON = 471;
  export const JANUS_VIDEOCALL_ERROR_INVALID_REQUEST = 472;
  export const JANUS_VIDEOCALL_ERROR_REGISTER_FIRST = 473;
  export const JANUS_VIDEOCALL_ERROR_INVALID_ELEMENT = 474;
  export const JANUS_VIDEOCALL_ERROR_MISSING_ELEMENT = 475;
  export const JANUS_VIDEOCALL_ERROR_USERNAME_TAKEN = 476;
  export const JANUS_VIDEOCALL_ERROR_ALREADY_REGISTERED = 477;
  export const JANUS_VIDEOCALL_ERROR_NO_SUCH_USERNAME = 478;
  export const JANUS_VIDEOCALL_ERROR_USE_ECHO_TEST = 479;
  export const JANUS_VIDEOCALL_ERROR_ALREADY_IN_CALL = 480;
  export const JANUS_VIDEOCALL_ERROR_NO_CALL = 481;
  export const JANUS_VIDEOCALL_ERROR_MISSING_SDP = 482;
  export const JANUS_VIDEOCALL_ERROR_INVALID_SDP = 483;
  