code: protected final void setCurrentParentView(@NonNull final View currentParentView) {
          Condition.INSTANCE.ensureNotNull(currentParentView, "The parent view may not be null");
          this.currentParentView = currentParentView;
      }
docs: Sets the parent view, whose appearance should currently be customized by the decorator. This
  method should never be called or overridden by any custom adapter implementation.
  
  @param currentParentView
  The parent view, which should be set, as an instance of the class {@link View}. The
  parent view may not be null