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/RepositoryAnalyzeAction.java
}
        public void maxBlobSize(ByteSizeValue maxBlobSize) {
            if (maxBlobSize.getBytes() <= 0) {
                throw new IllegalArgumentException("maxBlobSize must be >0, but was [" + maxBlobSize + "]");
            }
            this.maxBlobSize = maxBlobSize;
        }
        public void maxTotalDataSize(ByteSizeValue maxTotalDataSize) {
            if (maxTotalDataSize.getBytes() <= 0) {
                throw new IllegalArgumentException("maxTotalDataSize must be >0, but was [" + maxTotalDataSize + "]");
            }
            this.maxTotalDataSize = maxTotalDataSize;
        }
        public void detailed(boolean detailed) {
            this.detailed = detailed;
        }
        public int getBlobCount() {
            return blobCount;
        }
        public int getConcurrency() {
            return concurrency;
        }
        public String getRepositoryName() {
            return repositoryName;
        }
        public TimeValue getTimeout() {
            return timeout;
        }
        public long getSeed() {
            return seed;