#vulnerable code 
                                private Type getType(TypeMirror mirror, boolean isLiteral) {
        if ( !canBeProcessed( mirror ) ) {
            throw new TypeHierarchyErroneousException( mirror );
        }

        ImplementationType implementationType = getImplementationType( mirror );

        boolean isIterableType = typeUtils.isSubtype( mirror, iterableType );
        boolean isCollectionType = typeUtils.isSubtype( mirror, collectionType );
        boolean isMapType = typeUtils.isSubtype( mirror, mapType );
        boolean isStreamType = streamType != null && typeUtils.isSubtype( mirror, streamType );

        boolean isEnumType;
        boolean isInterface;
        String name;
        String packageName;
        String qualifiedName;
        TypeElement typeElement;
        Type componentType;
        Boolean toBeImported = null;

        if ( mirror.getKind() == TypeKind.DECLARED ) {
            DeclaredType declaredType = (DeclaredType) mirror;

            isEnumType = declaredType.asElement().getKind() == ElementKind.ENUM;
            isInterface = declaredType.asElement().getKind() == ElementKind.INTERFACE;
            name = declaredType.asElement().getSimpleName().toString();

            typeElement = (TypeElement) declaredType.asElement();

            if ( typeElement != null ) {
                packageName = elementUtils.getPackageOf( typeElement ).getQualifiedName().toString();
                qualifiedName = typeElement.getQualifiedName().toString();
            }
            else {
                packageName = null;
                qualifiedName = name;
            }

            componentType = null;
        }
        else if ( mirror.getKind() == TypeKind.ARRAY ) {
            TypeMirror componentTypeMirror = getComponentType( mirror );
            StringBuilder builder = new StringBuilder("[]");

            while ( componentTypeMirror.getKind() == TypeKind.ARRAY ) {
                componentTypeMirror = getComponentType( componentTypeMirror );
                builder.append( "[]" );
            }

            if ( componentTypeMirror.getKind() == TypeKind.DECLARED ) {
                DeclaredType declaredType = (DeclaredType) componentTypeMirror;
                TypeElement componentTypeElement = (TypeElement) declaredType.asElement();

                String arraySuffix = builder.toString();
                name = componentTypeElement.getSimpleName().toString() + arraySuffix;
                packageName = elementUtils.getPackageOf( componentTypeElement ).getQualifiedName().toString();
                qualifiedName = componentTypeElement.getQualifiedName().toString() + arraySuffix;
            }
            else if (componentTypeMirror.getKind().isPrimitive()) {
                // When the component type is primitive and is annotated with ElementType.TYPE_USE then
                // the typeMirror#toString returns (@CustomAnnotation :: byte) for the javac compiler
                name = NativeTypes.getName( componentTypeMirror.getKind() ) + builder.toString();
                packageName = null;
                // for primitive types only name (e.g. byte, short..) required as qualified name
                qualifiedName = name;
                toBeImported = false;
            }
            else {
                name = mirror.toString();
                packageName = null;
                qualifiedName = name;
                toBeImported = false;
            }

            isEnumType = false;
            isInterface = false;
            typeElement = null;
            componentType = getType( getComponentType( mirror ) );
        }
        else {
            isEnumType = false;
            isInterface = false;
            name = mirror.toString();
            packageName = null;
            qualifiedName = name;
            typeElement = null;
            componentType = null;
            toBeImported = false;
        }

        return new Type(
            typeUtils, elementUtils, this,
            roundContext.getAnnotationProcessorContext().getAccessorNaming(),
            mirror,
            typeElement,
            getTypeParameters( mirror, false ),
            implementationType,
            componentType,
            packageName,
            name,
            qualifiedName,
            isInterface,
            isEnumType,
            isIterableType,
            isCollectionType,
            isMapType,
            isStreamType,
            toBeImportedTypes,
            notToBeImportedTypes,
            toBeImported,
            isLiteral,
            loggingVerbose
        );
    } 
                            #location 46 
                            #vulnerability type NULL_DEREFERENCE
#fixed code
                                private Type getType(TypeMirror mirror, boolean isLiteral) {
        if ( !canBeProcessed( mirror ) ) {
            throw new TypeHierarchyErroneousException( mirror );
        }

        ImplementationType implementationType = getImplementationType( mirror );

        boolean isIterableType = typeUtils.isSubtype( mirror, iterableType );
        boolean isCollectionType = typeUtils.isSubtype( mirror, collectionType );
        boolean isMapType = typeUtils.isSubtype( mirror, mapType );
        boolean isStreamType = streamType != null && typeUtils.isSubtype( mirror, streamType );

        boolean isEnumType;
        boolean isInterface;
        String name;
        String packageName;
        String qualifiedName;
        TypeElement typeElement;
        Type componentType;
        Boolean toBeImported = null;

        if ( mirror.getKind() == TypeKind.DECLARED ) {
            DeclaredType declaredType = (DeclaredType) mirror;

            isEnumType = declaredType.asElement().getKind() == ElementKind.ENUM;
            isInterface = declaredType.asElement().getKind() == ElementKind.INTERFACE;
            name = declaredType.asElement().getSimpleName().toString();

            typeElement = (TypeElement) declaredType.asElement();

            if ( typeElement != null ) {
                packageName = elementUtils.getPackageOf( typeElement ).getQualifiedName().toString();
                qualifiedName = typeElement.getQualifiedName().toString();
            }
            else {
                packageName = null;
                qualifiedName = name;
            }

            componentType = null;
        }
        else if ( mirror.getKind() == TypeKind.ARRAY ) {
            TypeMirror componentTypeMirror = getComponentType( mirror );
            StringBuilder builder = new StringBuilder("[]");

            while ( componentTypeMirror.getKind() == TypeKind.ARRAY ) {
                componentTypeMirror = getComponentType( componentTypeMirror );
                builder.append( "[]" );
            }

            if ( componentTypeMirror.getKind() == TypeKind.DECLARED ) {
                DeclaredType declaredType = (DeclaredType) componentTypeMirror;
                TypeElement componentTypeElement = (TypeElement) declaredType.asElement();

                String arraySuffix = builder.toString();
                name = componentTypeElement.getSimpleName().toString() + arraySuffix;
                packageName = elementUtils.getPackageOf( componentTypeElement ).getQualifiedName().toString();
                qualifiedName = componentTypeElement.getQualifiedName().toString() + arraySuffix;
            }
            else if (componentTypeMirror.getKind().isPrimitive()) {
                // When the component type is primitive and is annotated with ElementType.TYPE_USE then
                // the typeMirror#toString returns (@CustomAnnotation :: byte) for the javac compiler
                name = NativeTypes.getName( componentTypeMirror.getKind() ) + builder.toString();
                packageName = null;
                // for primitive types only name (e.g. byte, short..) required as qualified name
                qualifiedName = name;
                toBeImported = false;
            }
            else {
                name = mirror.toString();
                packageName = null;
                qualifiedName = name;
                toBeImported = false;
            }

            isEnumType = false;
            isInterface = false;
            typeElement = null;
            componentType = getType( getComponentType( mirror ) );
        }
        else {
            isEnumType = false;
            isInterface = false;
            // When the component type is primitive and is annotated with ElementType.TYPE_USE then
            // the typeMirror#toString returns (@CustomAnnotation :: byte) for the javac compiler
            name = mirror.getKind().isPrimitive() ? NativeTypes.getName( mirror.getKind() ) : mirror.toString();
            packageName = null;
            qualifiedName = name;
            typeElement = null;
            componentType = null;
            toBeImported = false;
        }

        return new Type(
            typeUtils, elementUtils, this,
            roundContext.getAnnotationProcessorContext().getAccessorNaming(),
            mirror,
            typeElement,
            getTypeParameters( mirror, false ),
            implementationType,
            componentType,
            packageName,
            name,
            qualifiedName,
            isInterface,
            isEnumType,
            isIterableType,
            isCollectionType,
            isMapType,
            isStreamType,
            toBeImportedTypes,
            notToBeImportedTypes,
            toBeImported,
            isLiteral,
            loggingVerbose
        );
    }