@java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(bootDiskType_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, bootDiskType_);
    }
    if (bootDiskSizeGb_ != 0) {
      output.writeInt32(2, bootDiskSizeGb_);
    }
    getUnknownFields().writeTo(output);
  }
<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