driver-core/src/main/com/mongodb/operation/CommandOperationHelper.java
private static <T> T executeWriteCommand(final String database, final BsonDocument command,
                                             final Decoder<T> decoder, final Connection connection,
                                             final ReadPreference readPreference, final SessionContext sessionContext) {
        return executeWriteCommand(database, command, new NoOpFieldNameValidator(), decoder, connection,
                readPreference, new IdentityWriteTransformer<T>(), sessionContext);
    }
private static <T> T executeWriteCommand(final String database, final BsonDocument command,
                                             final Decoder<T> decoder, final Connection connection,
                                             final ReadPreference readPreference, final SessionContext sessionContext) {
        return executeWriteCommand(database, command, new NoOpFieldNameValidator(), decoder, connection,
                readPreference, new IdentityWriteTransformer<T>(), sessionContext);
    }
/* Private Connection Helpers