code: public void typeInvalid(final String type) {
  		this.addStatusMessage(
  				ProtocolConstants.StatusCodes.Delete.TYPE_INVALID,
  				"\"" + type + "\" is not a valid delete request type. Use \""
  						+ DeleteRequestType.USER.getIdentifier()
  						+ "\" to delete a user, \""
  						+ DeleteRequestType.FOLLOW.getIdentifier()
  						+ "\" to delete a follow edge or \""
  						+ DeleteRequestType.STATUS_UPDATE.getIdentifier()
  						+ "\" to delete a status update.");
  	}
docs: add status message: delete request type invalid
  
  @param type
  delete request type passed