@Override
public boolean apply(@Nullable Duplicate input) {
if (input instanceof InnerDuplicate) {
checkArgument(
!original.equals(input.getTextBlock()),
"TextBlock of an InnerDuplicate can not be the original TextBlock");
}
return true;
}
@Override
@Nonnull
public TextBlock apply(@Nonnull Duplicate input) {
return input.getTextBlock();
}
