protected IScope doGetTypeScope(XFeatureCall call, JvmType type) {
   if (call.isPackageFragment()) {
     if (type instanceof JvmDeclaredType) {
       String packageName = ((JvmDeclaredType) type).getPackageName();
       int dot = packageName.indexOf('.');
       if (dot == -1) {
         return new SingletonScope(EObjectDescription.create(packageName, type), IScope.NULLSCOPE);
       } else {
         String firstSegment = packageName.substring(0, dot);
         return new SingletonScope(
             EObjectDescription.create(firstSegment, type), IScope.NULLSCOPE);
       }
     }
     return IScope.NULLSCOPE;
   } else {
     if (type instanceof JvmDeclaredType && ((JvmDeclaredType) type).getDeclaringType() != null) {
       Resource resource = call.eResource();
       if (resource instanceof XtextResource) {
         XImportSection importSection =
             importsConfiguration.getImportSection((XtextResource) resource);
         if (importSection != null) {
           List<XImportDeclaration> importDeclarations = importSection.getImportDeclarations();
           List<IEObjectDescription> descriptions = Lists.newArrayList();
           for (XImportDeclaration importDeclaration : importDeclarations) {
             if (!importDeclaration.isStatic()
                 && !importDeclaration.isWildcard()
                 && !importDeclaration.isExtension()) {
               JvmDeclaredType importedType = importDeclaration.getImportedType();
               if (importedType == type) {
                 String syntax = importsConfiguration.getLegacyImportSyntax(importDeclaration);
                 if (syntax != null /* no node model attached */
                     && syntax.equals(type.getQualifiedName())) {
                   String packageName = importedType.getPackageName();
                   descriptions.add(
                       EObjectDescription.create(
                           syntax.substring(packageName.length() + 1), type));
                 }
               }
               if (EcoreUtil.isAncestor(importedType, type)) {
                 String name = type.getSimpleName();
                 JvmType worker = type;
                 while (worker != importedType) {
                   worker = (JvmType) worker.eContainer();
                   name = worker.getSimpleName() + "$" + name;
                 }
                 descriptions.add(EObjectDescription.create(name, type));
               }
             }
           }
           return new SimpleScope(descriptions);
         }
       }
       return new SingletonScope(
           EObjectDescription.create(type.getSimpleName(), type), IScope.NULLSCOPE);
     } else {
       return new SingletonScope(
           EObjectDescription.create(type.getSimpleName(), type), IScope.NULLSCOPE);
     }
   }
 }
  protected IScope getLocalElementsScope(
      IScope parent, IScope globalScope, EObject context, EReference reference) {
    IScope result = parent;
    QualifiedName name = getQualifiedNameOfLocalElement(context);
    boolean ignoreCase = isIgnoreCase(reference);
    ISelectable resourceOnlySelectable = getAllDescriptions(context.eResource());
    ISelectable globalScopeSelectable = new ScopeBasedSelectable(globalScope);

    // imports
    List<ImportNormalizer> explicitImports = getImportedNamespaceResolvers(context, ignoreCase);
    if (!explicitImports.isEmpty()) {
      result =
          createImportScope(
              result,
              explicitImports,
              globalScopeSelectable,
              reference.getEReferenceType(),
              ignoreCase);
    }

    // local element
    if (name != null) {
      ImportNormalizer localNormalizer = doCreateImportNormalizer(name, true, ignoreCase);
      result =
          createImportScope(
              result,
              singletonList(localNormalizer),
              resourceOnlySelectable,
              reference.getEReferenceType(),
              ignoreCase);
    }

    // scope for jvm elements
    Set<EObject> elements = associations.getJvmElements(context);
    for (EObject derivedJvmElement : elements) {
      // scope for JvmDeclaredTypes
      if (derivedJvmElement instanceof JvmDeclaredType) {
        JvmDeclaredType declaredType = (JvmDeclaredType) derivedJvmElement;
        QualifiedName jvmTypeName = getQualifiedNameOfLocalElement(declaredType);
        if (declaredType.getDeclaringType() == null
            && !Strings.isEmpty(declaredType.getPackageName())) {
          QualifiedName packageName =
              this.qualifiedNameConverter.toQualifiedName(declaredType.getPackageName());
          ImportNormalizer normalizer = doCreateImportNormalizer(packageName, true, ignoreCase);
          result =
              createImportScope(
                  result,
                  singletonList(normalizer),
                  globalScopeSelectable,
                  reference.getEReferenceType(),
                  ignoreCase);
        }
        if (jvmTypeName != null && !jvmTypeName.equals(name)) {
          ImportNormalizer localNormalizer =
              doCreateImportNormalizer(jvmTypeName, true, ignoreCase);
          result =
              createImportScope(
                  result,
                  singletonList(localNormalizer),
                  resourceOnlySelectable,
                  reference.getEReferenceType(),
                  ignoreCase);
        }
      }
      // scope for JvmTypeParameterDeclarator
      if (derivedJvmElement instanceof JvmTypeParameterDeclarator) {
        JvmTypeParameterDeclarator parameterDeclarator =
            (JvmTypeParameterDeclarator) derivedJvmElement;
        List<IEObjectDescription> descriptions = null;
        for (JvmTypeParameter param : parameterDeclarator.getTypeParameters()) {
          if (param.getSimpleName() != null) {
            if (descriptions == null) descriptions = Lists.newArrayList();
            QualifiedName paramName = QualifiedName.create(param.getSimpleName());
            descriptions.add(EObjectDescription.create(paramName, param));
          }
        }
        if (descriptions != null && !descriptions.isEmpty())
          result = MapBasedScope.createScope(result, descriptions);
      }
    }
    return result;
  }
 public boolean needsImport(JvmDeclaredType type) {
   if (type.getDeclaringType() != null) return true;
   String packageName = type.getPackageName();
   return packageName != null && !(implicitlyImportedPackages.contains(packageName));
 }
 @Override
 public String getPackageName() {
   JvmDeclaredType declaringType = internalGetDeclaringType();
   if (declaringType != null) return declaringType.getPackageName();
   return packageName;
 }