public @Nullable AlignmentImpl getAlignmentAtStartOffset() {
    for (AbstractBlockWrapper block = this; block != null && block.getStartOffset() == getStartOffset(); block = block.getParent()) {
      if (block.getAlignment() != null) {
        return block.getAlignment();
      }
    }
    return null;
  }
public @Nullable AlignmentImpl getAlignmentAtStartOffset()