public WhiteSpace getLastWhiteSpace() {
    assertDone();
    if (myLastWhiteSpace == null) {
      int lastBlockOffset = getLastBlock().getEndOffset();
      myLastWhiteSpace = new WhiteSpace(lastBlockOffset, false);
      FormattingDocumentModel model = myWrapper.getFormattingDocumentModel();
      CommonCodeStyleSettings.IndentOptions options = myBlockIndentOptions.getIndentOptions();
      myLastWhiteSpace.changeEndOffset(Math.max(lastBlockOffset, myWrapper.getEndOffset()), model, options);
    }
    return myLastWhiteSpace;
  }
public WhiteSpace getLastWhiteSpace()