@java.lang.Override
    @java.lang.SuppressWarnings("unchecked")
    public void invoke(Req request, io.grpc.stub.StreamObserver<Resp> responseObserver) {
      switch (methodId) {
        case METHODID_CREATE_CONNECTOR:
          serviceImpl.createConnector(
              (com.google.cloud.vpcaccess.v1.CreateConnectorRequest) request,
              (io.grpc.stub.StreamObserver<com.google.longrunning.Operation>) responseObserver);
          break;
        case METHODID_GET_CONNECTOR:
          serviceImpl.getConnector(
              (com.google.cloud.vpcaccess.v1.GetConnectorRequest) request,
              (io.grpc.stub.StreamObserver<com.google.cloud.vpcaccess.v1.Connector>)
                  responseObserver);
          break;
        case METHODID_LIST_CONNECTORS:
          serviceImpl.listConnectors(
              (com.google.cloud.vpcaccess.v1.ListConnectorsRequest) request,
              (io.grpc.stub.StreamObserver<com.google.cloud.vpcaccess.v1.ListConnectorsResponse>)
                  responseObserver);
          break;
        case METHODID_DELETE_CONNECTOR:
          serviceImpl.deleteConnector(
              (com.google.cloud.vpcaccess.v1.DeleteConnectorRequest) request,
              (io.grpc.stub.StreamObserver<com.google.longrunning.Operation>) responseObserver);
          break;
        default:
          throw new AssertionError();
      }
    }
<pre>
Deletes a Serverless VPC Access connector. Returns NOT_FOUND if the
resource does not exist.
</pre>
java-vpcaccess/grpc-google-cloud-vpcaccess-v1/src/main/java/com/google/cloud/vpcaccess/v1/VpcAccessServiceGrpc.java