code: private static <D, T> T executeCommand(final String database, final BsonDocument command,
                                             final Decoder<D> decoder, final ConnectionSource source, final Connection connection,
                                             final ReadPreference readPreference,
                                             final CommandReadTransformer<D, T> transformer, final SessionContext sessionContext) {
          return executeCommand(database, command, new NoOpFieldNameValidator(), decoder, source, connection,
                  readPreference, transformer, sessionContext);
      }
docs: /* Private Connection Helpers