docs: private static void validateInputType(Type t, TypeInformation<?> inType) {
  		ArrayList<Type> typeHierarchy = new ArrayList<Type>();
  		try {
  			validateInfo(typeHierarchy, t, inType);
  		}
  		catch(InvalidTypesException e) {
  			throw new InvalidTypesException("Input mismatch: " + e.getMessage(), e);
  		}
  	}