public Builder clearBootDiskSizeGb() {
      bitField0_ = (bitField0_ & ~0x00000002);
      bootDiskSizeGb_ = 0;
      onChanged();
      return this;
    }
<pre>
Size in GB of the boot disk (default is 100GB).
</pre>

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

@return This builder for chaining.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/DiskSpec.java