Move And Rename Method	package createSnapshotCopyOfCurrentINode(currentINode INodeFile) : INodeFile from class org.apache.hadoop.hdfs.server.namenode.snapshot.FileWithSnapshot.FileDiff to package createSnapshotCopy(currentINode INodeFile) : INodeFile from class org.apache.hadoop.hdfs.server.namenode.snapshot.FileWithSnapshot.FileDiffFactory