[
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  {"type":"LiteralStringDouble","value":"\"\"\""},
  {"type":"LiteralStringInterpol","value":"{"},
  {"type":"Name","value":"foo"},
  {"type":"Text","value":"\n      "},
  {"type":"LiteralStringInterpol","value":"= !s:"},
  {"type":"LiteralStringDouble","value":"20"},
  {"type":"LiteralStringInterpol","value":"}"},
  {"type":"LiteralStringDouble","value":"\"\"\""},
  {"type":"Text","value":"\n"}
]