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>
Output only. The group this migrating vm is included in, if any. The group
is represented by the full path of the appropriate
[Group][google.cloud.vmmigration.v1.Group] resource.
</pre>

<code>
string group = 15 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.resource_reference) = { ... }
</code>

@param value The bytes for group to set.
@return This builder for chaining.
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/MigratingVm.java