[
  {"type":"LiteralStringAffix","value":"f"},
  {"type":"LiteralStringSingle","value":"'"},
  {"type":"LiteralStringInterpol","value":"{"},
  {"type":"Error","value":"\\"},
  {"type":"LiteralStringSingle","value":"'quoted string"},
  {"type":"LiteralStringEscape","value":"\\'"},
  {"type":"LiteralStringSingle","value":"}'"},
  {"type":"Text","value":"\n"}
]