@NotNull
  RangeMarker createHostRangeMarkerToTrack(@NotNull TextRange hostRange, boolean surviveOnExternalChange) {
    return myDocumentWindow.getDelegate().createRangeMarker(hostRange.getStartOffset(), hostRange.getEndOffset(), surviveOnExternalChange);
  }
@NotNull
  RangeMarker createHostRangeMarkerToTrack(@NotNull TextRange hostRange, boolean surviveOnExternalChange)