private void processEntry(@Nullable JavaElementArrangementEntry entry,
                            @Nullable PsiModifierListOwner modifier,
                            final @Nullable PsiElement nextPsiRoot) {
    if (entry == null) {
      return;
    }
    if (modifier != null) {
      parseModifierListOwner(modifier, entry);
    }
    if (nextPsiRoot == null) {
      return;
    }
    processChildrenWithinEntryScope(entry, () -> nextPsiRoot.acceptChildren(this));
  }
private void processEntry(@Nullable JavaElementArrangementEntry entry,
                            @Nullable PsiModifierListOwner modifier,
                            final @Nullable PsiElement nextPsiRoot)