AutoMapper.TypeMap.GetExistingPropertyMapFor C# (CSharp) Метод

        public PropertyMap GetExistingPropertyMapFor(IMemberAccessor destinationProperty)
        {
            var propertyMap =
                _propertyMaps.FirstOrDefault(pm => pm.DestinationProperty.Name.Equals(destinationProperty.Name));

            if (propertyMap != null)
                return propertyMap;

            propertyMap =
                _inheritedMaps.FirstOrDefault(pm => pm.DestinationProperty.Name.Equals(destinationProperty.Name));

            if (propertyMap == null)
                return null;

            var propertyInfo = propertyMap.DestinationProperty.MemberInfo as PropertyInfo;

            if (propertyInfo == null)
                return propertyMap;

            var baseAccessor = propertyInfo.GetMethod;

            if (baseAccessor.IsAbstract || baseAccessor.IsVirtual)
                return propertyMap;

            var accessor = ((PropertyInfo)destinationProperty.MemberInfo).GetMethod;

            if (baseAccessor.DeclaringType == accessor.DeclaringType)
                return propertyMap;

            return null;
        }