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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 dump_map(file: TextIO = sys.stdout) -> None: """ Prints the JSON "registered types" map to the specified file. """

    pp = pprint.PrettyPrinter(indent=4, stream=file)
    print("Type map: ", file=file)
    pp.pprint(TYPE_MAP)