@io.grpc.stub.annotations.RpcMethod(
      fullMethodName = SERVICE_NAME + '/' + "DeleteWorkflow",
      requestType = com.google.cloud.workflows.v1.DeleteWorkflowRequest.class,
      responseType = com.google.longrunning.Operation.class,
      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
  public static io.grpc.MethodDescriptor<
          com.google.cloud.workflows.v1.DeleteWorkflowRequest, com.google.longrunning.Operation>
      getDeleteWorkflowMethod() {
    io.grpc.MethodDescriptor<
            com.google.cloud.workflows.v1.DeleteWorkflowRequest, com.google.longrunning.Operation>
        getDeleteWorkflowMethod;
    if ((getDeleteWorkflowMethod = WorkflowsGrpc.getDeleteWorkflowMethod) == null) {
      synchronized (WorkflowsGrpc.class) {
        if ((getDeleteWorkflowMethod = WorkflowsGrpc.getDeleteWorkflowMethod) == null) {
          WorkflowsGrpc.getDeleteWorkflowMethod =
              getDeleteWorkflowMethod =
                  io.grpc.MethodDescriptor
                      .<com.google.cloud.workflows.v1.DeleteWorkflowRequest,
                          com.google.longrunning.Operation>
                          newBuilder()
                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "DeleteWorkflow"))
                      .setSampledToLocalTracing(true)
                      .setRequestMarshaller(
                          io.grpc.protobuf.ProtoUtils.marshaller(
                              com.google.cloud.workflows.v1.DeleteWorkflowRequest
                                  .getDefaultInstance()))
                      .setResponseMarshaller(
                          io.grpc.protobuf.ProtoUtils.marshaller(
                              com.google.longrunning.Operation.getDefaultInstance()))
                      .setSchemaDescriptor(new WorkflowsMethodDescriptorSupplier("DeleteWorkflow"))
                      .build();
        }
      }
    }
    return getDeleteWorkflowMethod;
  }
<pre>
Workflows is used to deploy and execute workflow programs.
Workflows makes sure the program executes reliably, despite hardware and
networking interruptions.
</pre>
java-workflows/grpc-google-cloud-workflows-v1/src/main/java/com/google/cloud/workflows/v1/WorkflowsGrpc.java