[
  {"name": "String", "type": "string", "plural": "Strings"},
  {"name": "Uint64", "type": "uint64"},
  {"name": "Int64", "type": "int64"},
  {"name": "Duration", "type": "time.Duration"},
  {"name": "IP", "type": "net.IP"},
  {"name": "TCPAddr", "Type": "*net.TCPAddr", "plural": "TCPList"},
  {"name": "ExistingFile", "Type": "string", "plural": "ExistingFiles"},
  {"name": "ExistingDir", "Type": "string", "plural": "ExistingDirs"},
  {"name": "ExistingFileOrDir", "Type": "string", "plural": "ExistingFilesOrDirs"}
]