code: public S3TaskClient get(String storeId) throws ContentStoreException {
          ContentStore contentStore = contentStoreManager.getContentStore(storeId);
          return new S3TaskClientImpl(contentStore);
      }
docs: Retrieve an S3TaskClient
  
  @param storeId id of the storage provider
  @return client for calling S3 tasks
  @throws ContentStoreException on error