public static com.google.cloud.tpu.v2.AttachedDisk getDefaultInstance() {
    return DEFAULT_INSTANCE;
  }
<pre>
The mode in which to attach this disk.
If not specified, the default is READ_WRITE mode.
Only applicable to data_disks.
</pre>

<code>.google.cloud.tpu.v2.AttachedDisk.DiskMode mode = 4;</code>

@return This builder for chaining.
java-tpu/proto-google-cloud-tpu-v2/src/main/java/com/google/cloud/tpu/v2/AttachedDisk.java