public boolean isAt(@NotNull Document document, int offset) {
    final VirtualFile file = FileDocumentManager.getInstance().getFile(document);
    int line = document.getLineNumber(offset);
    XSourcePosition position = myXBreakpoint.getSourcePosition();
    return position != null && position.getLine() == line && position.getFile().equals(file);
  }
public boolean isAt(@NotNull Document document, int offset)