{
  "name": "request.headers.get",
  "description": "Returns a request header by name",
  "signature": {
    "input": {
      "kind": "http-header-name",
      "description": "Header name to retrieve",
      "required": true,
      "mode": "ValueOrExpression"
    },
    "output": {
      "mode": "Value",
      "kind": "http-header-value,text",
      "description": "Resolves to the value of the named request header, or null if it does not exist"
    }
  }
}