def facet = facetManager.facet.find { it.@name == "Scala" }
        assert facet
        assert facet.@type == "scala"

        def compilerLibraryLevel = facet.configuration.option.find { it.@name == "compilerLibraryLevel" }
        assert compilerLibraryLevel
        assert compilerLibraryLevel.@value == "Project"

        def compilerLibraryName = facet.configuration.option.find { it.@name == "compilerLibraryName" }

        Node configuration = findOrCreateFirstChildNamed(scalaFacet, "configuration");

        Node libraryLevel = findOrCreateFirstChildWithAttributeValue(configuration, "option", "name", "compilerLibraryLevel");
        setNodeAttribute(libraryLevel, "value", "Project");

        Node libraryName = findOrCreateFirstChildWithAttributeValue(configuration, "option", "name", "compilerLibraryName");