/// <summary>Snippet for UpdateDocument</summary>
 public void UpdateDocument()
 {
     // Snippet: UpdateDocument(Document,DocumentMask,CallSettings)
     // Create client
     FirestoreClient firestoreClient = FirestoreClient.Create();
     // Initialize request argument(s)
     Document     document   = new Document();
     DocumentMask updateMask = new DocumentMask();
     // Make the request
     Document response = firestoreClient.UpdateDocument(document, updateMask);
     // End snippet
 }
 /// <summary>Snippet for UpdateDocument</summary>
 public void UpdateDocument_RequestObject()
 {
     // Snippet: UpdateDocument(UpdateDocumentRequest,CallSettings)
     // Create client
     FirestoreClient firestoreClient = FirestoreClient.Create();
     // Initialize request argument(s)
     UpdateDocumentRequest request = new UpdateDocumentRequest
     {
         Document   = new Document(),
         UpdateMask = new DocumentMask(),
     };
     // Make the request
     Document response = firestoreClient.UpdateDocument(request);
     // End snippet
 }