public static com.google.cloud.workstations.v1beta.UpdateWorkstationClusterRequest
      parseDelimitedFrom(
          java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
        PARSER, input, extensionRegistry);
  }
<pre>
Optional. If set, and the workstation cluster is not found, a new
workstation cluster will be created. In this situation, update_mask is
ignored.
</pre>

<code>bool allow_missing = 4 [(.google.api.field_behavior) = OPTIONAL];</code>

@return The allowMissing.
java-workstations/proto-google-cloud-workstations-v1beta/src/main/java/com/google/cloud/workstations/v1beta/UpdateWorkstationClusterRequest.java