? childPropertyName
            : parentPropertyName + "." + childPropertyName;
    }

    static class InstanceTypeMetadataWalker extends AbstractTypeMetadataWalker<Object, InstanceMetadataVisitor> implements InstanceMetadataWalker {

        public InstanceTypeMetadataWalker(TypeMetadataStore typeMetadataStore, Class<? extends Annotation> nestedAnnotation) {

     */
    static InstanceMetadataWalker instanceWalker(TypeMetadataStore typeMetadataStore, Class<? extends Annotation> nestedAnnotation) {
        return new AbstractTypeMetadataWalker.InstanceTypeMetadataWalker(typeMetadataStore, nestedAnnotation);
    }

    /**
     * A factory method for a walker that can visit property hierarchy declared by a type.
     *