plugins/javaFX/testData/completion/multipleStylesheetsAttribute.fxml

<?import javafx.scene.layout.GridPane?>
<GridPane xmlns:fx="http://javafx.com/fxml" alignment="center" hgap="10" vgap="10"
          fx:id="myGridPane" stylesheets="@mystyle.css, @very/deeply/located/<caret>">
</GridPane>