private static AlignWhiteSpace getAlignOffsetBefore(final @Nullable Alignment alignment) {
    if (alignment == null) return null;
    final LeafBlockWrapper alignRespBlock = ((AlignmentImpl)alignment).getOffsetRespBlockBefore(null);
    return alignRespBlock != null ? getStartColumn(alignRespBlock) : null;
  }
private static AlignWhiteSpace getAlignOffsetBefore(final @Nullable Alignment alignment)