code: public static Resource child(@NotNull Resource parentResource, @NotNull String name, @NotNull String resourceType) {
      return child(parentResource, name, resourceType, ValueMap.EMPTY);
    }
docs: Create synthetic resource child resource of the given parent resource.
  @param parentResource Parent resource (has to be a {@link GraniteUiSyntheticResource} instance)
  @param name Child resource name
  @param resourceType Resource type
  @return Resource