Actions `cluster:admin/repository/analyze/blob` and `cluster:admin/repository/analyze/register` and so on are only invoked via the transport service, they do not need to register as client actions so we can drop the `ActionType` instance. Instead the root `RepositoryAnalyzeAction` should create and register all these transport actions itself. But even the root `RepositoryAnalyzeAction` should not be an `ActionType` derivative, we should just declare an `ActionType` instance directly. Moreover we can use `ActionType#localOnly` since the client action does not run on remote clusters.
x-pack/plugin/snapshot-repo-test-kit/src/main/java/org/elasticsearch/repositories/blobstore/testkit/BlobAnalyzeAction.java
+ " write complete) failed on node ["
                                            + node
                                            + "]",
                                        e
                                    )
                                );
                            }
                        }, GetBlobChecksumAction.Response::new, TransportResponseHandler.TRANSPORT_WORKER)
                    );
                }
            }
        }
        private GetBlobChecksumAction.Request getBlobChecksumRequest() {
            return new GetBlobChecksumAction.Request(
                request.getRepositoryName(),
                request.getBlobPath(),
                request.getBlobName(),
                checksumStart,
                checksumWholeBlob ? 0L : checksumEnd
            );
        }
        private NodeResponse makeNodeResponse(DiscoveryNode node, boolean beforeWriteComplete, GetBlobChecksumAction.Response response) {
            logger.trace(
                "received read response [{}] from [{}] for [{}] [beforeWriteComplete={}]",
                response,
                node,
                request.getDescription(),
                beforeWriteComplete
            );
            return new NodeResponse(node, beforeWriteComplete, response);