@Override
  public void visitRegExpBoundary(RegExpBoundary boundary) {
    if (!myLanguageHosts.supportsBoundary(boundary)) {
      myHolder.newAnnotation(HighlightSeverity.ERROR, RegExpBundle.message("error.this.boundary.is.not.supported.in.this.regex.dialect"))
        .create();
    }
  }
@Override
  public void visitRegExpBoundary(RegExpBoundary boundary)