{
  "plugins": [
    ["proposal-pipeline-operator", { "proposal": "hack", "topicToken": "#" }],
    ["proposal-record-and-tuple", { "syntaxType": "hash" }]
  ],
  "throws": "Plugin conflict between `[\"pipelineOperator\", { proposal: \"hack\", topicToken: \"#\" }]` and `[\"recordAndtuple\", { syntaxType: \"hash\"}]`."
}