Returns the value for the specified key, or ``None`` if this map does not contain this key.

        **Warning:
        This method returns a clone of original value, modifying the returned value does not change the actual value in
        the map. One should put modified value back to make changes visible to all nodes.**
            >>> value = map.get(key)
            >>> value.update_some_property()
            >>> map.put(key,value)

        **Warning 2: This method uses __hash__ and __eq__ methods of binary form of the key, not the actual implementations
        of __hash__ and __eq__ defined in key's class.**

        :param key: (object), the specified key.
        :return: (object), the value for the specified key.

def get(self, key):
        """
        Returns the value for the specified key, or ``None`` if this map does not contain this key.

        **Warning:
        This method returns a clone of original value, modifying the returned value does not change the actual value in
        the map. One should put modified value back to make changes visible to all nodes.**
            >>> value = map.get(key)
            >>> value.update_some_property()
            >>> map.put(key,value)

        **Warning 2: This method uses __hash__ and __eq__ methods of binary form of the key, not the actual implementations
        of __hash__ and __eq__ defined in key's class.**

        :param key: (object), the specified key.
        :return: (object), the value for the specified key.
        """
        check_not_none(key, "key can't be None")
        key_data = self._to_data(key)
        return self._get_internal(key_data)