@Override
  public void visitBinaryExpression(@NotNull GrBinaryExpression binary) {
    super.visitBinaryExpression(binary); // visitExpression

    GroovyCallReference reference = binary.getReference();
    if (reference == null) return;
    new BinaryExpressionHighlighter(binary, reference, myHighlightSink).highlight();
  }
@Override
  public void visitBinaryExpression(@NotNull GrBinaryExpression binary)