ObjectLoaderUploadCompleterStep
constructor(objectLoader: ObjectLoader, uploadCompleter: ObjectLoaderUploadCompleter<T>, inputQueue: PartitionedQueue<PipelineEvent<ObjectKey, ObjectLoaderPartLoader.PartResult<T>>>, completedUploadQueue: PartitionedQueue<PipelineEvent<K, ObjectLoaderUploadCompleter.UploadResult<T>>>? = null, completedUploadPartitioner: ObjectLoaderCompletedUploadPartitioner<ObjectKey, ObjectLoaderPartLoader.PartResult<T>, K, T>? = null, taskFactory: LoadPipelineStepTaskFactory, stepId: String)(source)