code: public static boolean isClass(LightweightTypeReference typeRef) {
  		final JvmType t = typeRef.getType();
  		if (t instanceof JvmGenericType) {
  			return !((JvmGenericType) t).isInterface();
  		}
  		return false;
  	}
docs: Replies if the given reference is pointing to a class type.
  
  @param typeRef - the type reference to test.
  @return <code>true</code> if the pointed element is a class type.