public static com.google.cloud.workstations.v1.UpdateWorkstationConfigRequest parseFrom(
      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
        PARSER, input, extensionRegistry);
  }
<pre>
Optional. If set and the workstation configuration is not found, a new
workstation configuration 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-v1/src/main/java/com/google/cloud/workstations/v1/UpdateWorkstationConfigRequest.java