{
  "valid": [
    "issuetype = value",
    "issuetype = 7",
    "issuetype = -7",
    "issuetype = \"7\"",
    "issuetype = \"value\"",
    "issuetype = \"\"",
    "issuetype = \"value with spaces\"",
    "issuetype = \"value with $pecial characters\"",
    "issuetype = \"value with \\\"escaped\\\" characters\"",
    "issuetype = 'value with \\'escaped\\' characters'",
    "issuetype = 'value with \\\"escaped\\\" characters'"
  ],
  "invalid": [
    "issuetype = \"\"\"",
    "issuetype = value with spaces",
    "issuetype = value with $pecial characters",
    "issuetype = \"value with \"unescaped\" characters\""
  ]
}