{
  "valid": [
    "issuetype=fn()",
    "issuetype = fn()",
    "issuetype = fn( )",
    "issuetype = fn ()",
    "issuetype = fn(one)",
    "issuetype = fn(one,two)",
    "issuetype = fn  (  one  ,  two  )",
    "issuetype = fn(one,\"two\",3)",
    "issuetype in (fn(one,two))",
    "assignee = \"currentUser\"()",
    "assignee = 'currentUser'()"
  ],
  "invalid": [
    "fn()",
    "issuetype = value(",
    "issuetype = value(one",
    "issuetype = value)",
    "issuetype = ()value"
  ]
}