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Append

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		Name	Description
	void	Append ( TMultiMap< KeyType, ValueType, Othe... )	Move all items from another map into our map (if any keys are in both, the value from the other map wins) and empty the other map.
	void	Append ( const TMultiMap< KeyType, ValueType... )	Add all items from another map to our map (if any keys are in both, the value from the other map wins).

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