@java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      name_ = "";
      managementConfig_ = null;
      if (managementConfigBuilder_ != null) {
        managementConfigBuilder_.dispose();
        managementConfigBuilder_ = null;
      }
      createTime_ = null;
      if (createTimeBuilder_ != null) {
        createTimeBuilder_.dispose();
        createTimeBuilder_ = null;
      }
      updateTime_ = null;
      if (updateTimeBuilder_ != null) {
        updateTimeBuilder_.dispose();
        updateTimeBuilder_ = null;
      }
      internalGetMutableLabels().clear();
      tnaVersion_ = "";
      state_ = 0;
      return this;
    }
<pre>
Orchestration cluster represents a GKE cluster with config controller and
TNA specific components installed on it.
</pre>

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