public Builder clearOsDescription() {
      osDescription_ = getDefaultInstance().getOsDescription();
      bitField0_ = (bitField0_ & ~0x00000200);
      onChanged();
      return this;
    }
<pre>
The VM's OS.
</pre>

<code>string os_description = 10;</code>

@return This builder for chaining.
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/AwsVmDetails.java