type sourceLocation = {
  line: int,
  column: int,
}

type path
type astNode

type source = {
  body: string,
  name: string,
  locationOffset: sourceLocation,
}

type t = {
  message: string,
  locations: option<array<sourceLocation>>,
  path: option<array<path>>,
  nodes: option<array<astNode>>,
  source: option<source>,
  positions: option<array<int>>,
  originalError: option<Js.Exn.t>,
  extensions: option<Js.Json.t>,
}