}
private void validateVisibility() {
VisibilityDeclaration visibility = getComposite().getVisibility();
validateVisibilityExpression(visibility.getApplicationInstances(), "bad expression in ExportApp visibility");
validateVisibilityExpression(visibility.getExportImplementations(),"bad expression in Export implementation visibility");
validateVisibilityExpression(visibility.getExportInstances(),"bad expression in Export instance visibility");
validateVisibilityExpression(visibility.getImportImplementations(),"bad expression in Imports implementation visibility");
validateVisibilityExpression(visibility.getImportInstances(),"bad expression in Imports instance visibility");
}