public com.google.cloud.vmmigration.v1.Source.Builder addSourcesBuilder(int index) {
      return getSourcesFieldBuilder()
          .addBuilder(index, com.google.cloud.vmmigration.v1.Source.getDefaultInstance());
    }
<pre>
Output only. The list of sources response.
</pre>

<code>
repeated .google.cloud.vmmigration.v1.Source sources = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/ListSourcesResponse.java