private void ensureBlueprintsIsMutable() {
      if (!((bitField0_ & 0x00000001) != 0)) {
        blueprints_ =
            new java.util.ArrayList<com.google.cloud.telcoautomation.v1alpha1.Blueprint>(
                blueprints_);
        bitField0_ |= 0x00000001;
      }
    }
<pre>
Response object for `ListBlueprintRevisions`.
</pre>

Protobuf type {@code google.cloud.telcoautomation.v1alpha1.ListBlueprintRevisionsResponse}
java-telcoautomation/proto-google-cloud-telcoautomation-v1alpha1/src/main/java/com/google/cloud/telcoautomation/v1alpha1/ListBlueprintRevisionsResponse.java