protected function buildPossibleResponseMapping(QtiGraphicGapMatchInteraction $interaction)
{
$possibleResponseMapping = [];
$gapChoices = $interaction->getGapImgs();
/** @var GapChoice $gapChoice */
foreach ($gapChoices as $gapChoice) {
$gapChoiceContent = QtiMarshallerUtil::marshallCollection($gapChoice->getComponents());
$possibleResponseMapping[$gapChoice->getIdentifier()] = $gapChoiceContent;
}
return $possibleResponseMapping;
}
