private void maybeForceBuilderInitialization() {
      if (com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders) {
        getStartTimeFieldBuilder();
        getEndTimeFieldBuilder();
        getDurationFieldBuilder();
        getErrorFieldBuilder();
        getStatusFieldBuilder();
        getStateErrorFieldBuilder();
      }
    }
<pre>
A running instance of a
[Workflow](/workflows/docs/reference/rest/v1/projects.locations.workflows).
</pre>

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