code: public static void failWithInvalidMethodSignException(boolean expression, SQLiteModelMethod method,
  			String messageFormat, Object... args) {
  		assertTrueOrInvalidMethodSignException(!expression, method, messageFormat, args);
  	}
docs: if expression is true, it fails. It is the opposite of assert
  
  @param expression
  the expression
  @param method
  the method
  @param messageFormat
  the message format
  @param args
  the args