Mongo.Context.MongoMetadata.AddProviderType C# (CSharp) Method

        private void AddProviderType(string collectionName, string elementName, BsonValue elementValue, bool isKey = false)
        {
            Type providerType = ResolveProviderType(elementValue, isKey);
            var qualifiedName = GetQualifiedPropertyName(collectionName, elementName);
            if (providerType != null && !this.instanceMetadataCache.ProviderTypes.ContainsKey(qualifiedName))
            {
                this.instanceMetadataCache.ProviderTypes.Add(qualifiedName, providerType);
            }
        }