@Override
  public int injectedToHostLine(int line) {
    if (line < myPrefixLineCount) {
      synchronized (myLock) {
        Segment hostRangeMarker = myShreds.get(0).getHostRangeMarker();
        return hostRangeMarker == null ? 0 : myDelegate.getLineNumber(hostRangeMarker.getStartOffset());
      }
    }
    int lineCount = getLineCount();
    if (line > lineCount - mySuffixLineCount) {
      return lineCount;
    }
    int offset = getLineStartOffset(line);
    int hostOffset = injectedToHost(offset);

    return myDelegate.getLineNumber(hostOffset);
  }
@Override
  public int injectedToHostLine(int line)