[
  {
    "paramName": "n",
    "paramLongName": "nameNode",
    "paramDescription": "the Name Node",
    "paramRequired": true
  },
  {
    "paramName": "s",
    "paramLongName": "sourcePath",
    "paramDescription": "the source path",
    "paramRequired": true
  },
  {
    "paramName": "t",
    "paramLongName": "targetPath",
    "paramDescription": "the target path",
    "paramRequired": true
  }
]