@Override
    protected void visitYAMLMapping(@NotNull YAMLMapping mapping) {
      YamlMetaTypeProvider.MetaTypeProxy meta = myMetaTypeProvider.getValueMetaType(mapping);
      if (meta != null) {
        meta.getMetaType().validateValue(mapping, myProblemsHolder);
      }
    }
@Override
    protected void visitYAMLMapping(@NotNull YAMLMapping mapping)