private com.google.protobuf.MapField<java.lang.String, java.lang.String> internalGetLabels() {
      if (labels_ == null) {
        return com.google.protobuf.MapField.emptyMapField(LabelsDefaultEntryHolder.defaultEntry);
      }
      return labels_;
    }
<pre>
Optional. Files present in a blueprint.
When invoking UpdateBlueprint API, only the modified files should be
included in this. Files that are not included in the update of a blueprint
will not be changed.
</pre>

<code>
repeated .google.cloud.telcoautomation.v1alpha1.File files = 9 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-telcoautomation/proto-google-cloud-telcoautomation-v1alpha1/src/main/java/com/google/cloud/telcoautomation/v1alpha1/Blueprint.java