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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 decode(self, name, as_map_key=False):
 """Always returns the name"""

        if is_cache_key(name) and (name in self.key_to_value):
            return self.key_to_value[name]
        return self.encache(name) if is_cacheable(name, as_map_key) else name