@SuppressWarnings({"rawtypes"})
    protected com.google.protobuf.MapFieldReflectionAccessor internalGetMutableMapFieldReflection(
        int number) {
      switch (number) {
        case 8:
          return internalGetMutableLabels();
        case 14:
          return internalGetMutableUserEnvVars();
        case 19:
          return internalGetMutableTags();
        default:
          throw new RuntimeException("Invalid map field number: " + number);
      }
    }
<pre>
Workflow program to be executed by Workflows.
</pre>

Protobuf type {@code google.cloud.workflows.v1.Workflow}
java-workflows/proto-google-cloud-workflows-v1/src/main/java/com/google/cloud/workflows/v1/Workflow.java