code: public static void assertTrueOrUnknownClassInJQLException(boolean expression, SQLiteModelMethod method,
  			String className) {
  		if (!expression) {
  			throw (new UnknownClassInJQLException(method, className));
  		}
  	}
docs: Assert true or unknown class in JQL exception.
  
  @param expression
  the expression
  @param method
  the method
  @param className
  the class name