Extract Method	private receiveFile(url String, localPaths List<File>, dstStorage Storage, getChecksum boolean, advertisedSize long, advertisedDigest MD5Hash, fsImageName String, stream InputStream, throttler DataTransferThrottler) : MD5Hash extracted from public doGetUrl(url URL, localPaths List<File>, dstStorage Storage, getChecksum boolean) : MD5Hash in class org.apache.hadoop.hdfs.server.namenode.TransferFsImage