@Override
        public Boolean run() throws Exception {
          return runDistCp(srcPaths, dst, conf);
        }
Constructs the params to be passed for using snapshot based replication
@param srcPaths source paths
@param dst destination
@param sourceSnap starting snapshot
@param destSnap end snapshot
@param conf hive configuration
@param diff -diff or -rdiff
@return
shims/0.23/src/main/java/org/apache/hadoop/hive/shims/Hadoop23Shims.java