public Builder setAwsVms(com.google.cloud.vmmigration.v1.AwsVmsDetails value) {
      if (awsVmsBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        sourceVms_ = value;
        onChanged();
      } else {
        awsVmsBuilder_.setMessage(value);
      }
      sourceVmsCase_ = 3;
      return this;
    }
<pre>
The description of the VMs in a Source of type AWS.
</pre>

<code>.google.cloud.vmmigration.v1.AwsVmsDetails aws_vms = 3;</code>
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/FetchInventoryResponse.java