in jdbc-grpc-client/src/main/java/org/apache/kyuubi/grpc/client/SimpleBlockingJdbcClient.java [102:109]
public DirectStatusResp setTypeMap(String connectionId, Map<String, String> map) {
SetTypeMapReq.Builder builder = SetTypeMapReq.newBuilder();
SetTypeMapReq req = builder
.setConnectionId(ConnectionHandle.newBuilder().setId(connectionId).build())
.putAllTypeToClass(map)
.build();
return connectionBlockingStub.setTypeMap(req);
}