@java.lang.Override
  public Builder newBuilderForType() {
    return newBuilder();
  }
<pre>
Size in GB of the boot disk (default is 100GB).
</pre>

<code>int32 boot_disk_size_gb = 2;</code>

@return The bootDiskSizeGb.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DiskSpec.java