CopyPollerBlobClient type
Defines the operations from a BlobClient that are needed for the poller returned by beginCopyFromURL to work.
type CopyPollerBlobClient = Pick<BlobClient, "abortCopyFromURL" | "getProperties"> & { startCopyFromURL(copySource: string, options?: BlobStartCopyFromURLOptions) => Promise<BlobBeginCopyFromURLResponse> }