@java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      name_ = "";
      description_ = "";
      acceleratorType_ = "";
      ipAddress_ = "";
      port_ = "";
      state_ = 0;
      healthDescription_ = "";
      tensorflowVersion_ = "";
      network_ = "";
      cidrBlock_ = "";
      serviceAccount_ = "";
      createTime_ = null;
      if (createTimeBuilder_ != null) {
        createTimeBuilder_.dispose();
        createTimeBuilder_ = null;
      }
      schedulingConfig_ = null;
      if (schedulingConfigBuilder_ != null) {
        schedulingConfigBuilder_.dispose();
        schedulingConfigBuilder_ = null;
      }
      if (networkEndpointsBuilder_ == null) {
        networkEndpoints_ = java.util.Collections.emptyList();
      } else {
        networkEndpoints_ = null;
        networkEndpointsBuilder_.clear();
      }
      bitField0_ = (bitField0_ & ~0x00002000);
      health_ = 0;
      internalGetMutableLabels().clear();
      useServiceNetworking_ = false;
      apiVersion_ = 0;
      if (symptomsBuilder_ == null) {
        symptoms_ = java.util.Collections.emptyList();
      } else {
        symptoms_ = null;
        symptomsBuilder_.clear();
      }
      bitField0_ = (bitField0_ & ~0x00040000);
      return this;
    }
<pre>
A TPU instance.
</pre>

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