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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_callbacks(encoded_callbacks):
 """Decode the callbacks to an executable form."""

    from furious.async import Async

    callbacks = {}
    for event, callback in encoded_callbacks.iteritems():
        if isinstance(callback, dict):
            async_type = Async
            if '_type' in callback:
                async_type = path_to_reference(callback['_type'])
            callback = async_type.from_dict(callback)
        else:
            callback = path_to_reference(callback)

        callbacks[event] = callback

    return callbacks