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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def parse(self, lint_target):
 # type: (AbstractLintTarget) -> Dict[str, Any] """ Parse vim script file and return the AST. """

        decoder = Decoder(default_decoding_strategy)
        decoded = decoder.decode(lint_target.read())
        decoded_and_lf_normalized = decoded.replace('\r\n', '\n')

        return self.parse_string(decoded_and_lf_normalized)