uint8 * FindValue ( const void * Key, const [FScriptMapLayout](API\Runtime\Core\Containers\FScriptMapLayout) & MapLayout, [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< uint32(const void *)> GetKeyHash, [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< bool(const void *, const void *)> KeyEqualityFn )