public static com.google.cloud.telcoautomation.v1alpha1.RollbackDeploymentRequest
      getDefaultInstance() {
    return DEFAULT_INSTANCE;
  }
<pre>
Required. The revision id of deployment to roll back to.
</pre>

<code>string revision_id = 2 [(.google.api.field_behavior) = REQUIRED];</code>

@param value The bytes for revisionId to set.
@return This builder for chaining.
java-telcoautomation/proto-google-cloud-telcoautomation-v1alpha1/src/main/java/com/google/cloud/telcoautomation/v1alpha1/RollbackDeploymentRequest.java