private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.tpu.v2alpha1.SchedulingConfig,
            com.google.cloud.tpu.v2alpha1.SchedulingConfig.Builder,
            com.google.cloud.tpu.v2alpha1.SchedulingConfigOrBuilder>
        getSchedulingConfigFieldBuilder() {
      if (schedulingConfigBuilder_ == null) {
        schedulingConfigBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.tpu.v2alpha1.SchedulingConfig,
                com.google.cloud.tpu.v2alpha1.SchedulingConfig.Builder,
                com.google.cloud.tpu.v2alpha1.SchedulingConfigOrBuilder>(
                getSchedulingConfig(), getParentForChildren(), isClean());
        schedulingConfig_ = null;
      }
      return schedulingConfigBuilder_;
    }
<pre>
The scheduling options for this node.
</pre>

<code>.google.cloud.tpu.v2alpha1.SchedulingConfig scheduling_config = 17;</code>
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/Node.java