protected DozerPropertyDescriptor getDestPropertyDescriptor(Class<?> runtimeDestClass) {
        if (BeanBuilder.class.isAssignableFrom(runtimeDestClass)) {
            MappingUtils.throwMappingException("getDestPropertyDescriptor received builder instead of concrete class - "
                                               + "it's a bug, please post stack trace at https://github.com/DozerMapper/dozer or directly to dmitry@spikhalskiy.com ");
            return null;
        }

        DozerPropertyDescriptor result = this.destPropertyDescriptorMap.get(runtimeDestClass);
        if (result == null) {
            DozerPropertyDescriptor descriptor = propertyDescriptorFactory.getPropertyDescriptor(runtimeDestClass,
                                                                                                 getDestFieldTheGetMethod(), getDestFieldTheSetMethod(), getDestFieldMapGetMethod(),
                                                                                                 getDestFieldMapSetMethod(), isDestFieldAccessible(), isDestFieldIndexed(),
                                                                                                 getDestFieldIndex(),
                                                                                                 getDestFieldName(), getDestFieldKey(), isDestSelfReferencing(), getSrcFieldName(),
                                                                                                 getSrcDeepIndexHintContainer(), getDestDeepIndexHintContainer(),
                                                                                                 classMap.getDestClassBeanFactory(),
                                                                                                 beanContainer, destBeanCreator);

            this.destPropertyDescriptorMap.putIfAbsent(runtimeDestClass, descriptor);
            result = descriptor;
        }
        return result;
    }
Return true if is self referencing. Is considered self referencing where no other sources are specified,
i.e., no source properties or #CDATA in the xml def.

@return true if is self referencing
core/src/main/java/com/github/dozermapper/core/fieldmap/FieldMap.java