> Unformatted Error Output:
  > File "ast-utils/JSParser.re", line 279, characters 15-28:
  > Error: The field Literal.value belongs to the record type Ast.Literal.t
  >        but a field was expected belonging to the record type
  >          Ast.StringLiteral.t

Error: ast-utils/JSParser.re:279 15-28
276 ¦     Statement.ImportDeclaration.importKind,
277 ¦     Statement.ImportDeclaration.source: (
278 ¦       _,
279 ¦       {Literal.value: Literal.String(source)},
280 ¦     ),
281 ¦   }),
282 ¦ )) =>