(Program
  (Module
    (Identifier))
  (Function
    (Identifier)
    (Args)
    (TypeConversion
      (Identifier)
    { (StringLiteral)
    ->(StringLiteral) }
      (ParseError
      { (StringLiteral)
      ->(StringLiteral) }
        (Import
          (Identifier)
        { (StringLiteral)
        ->(StringLiteral) })))))