protected function getExceptionMessageAppendix()
{
$tmp = [];
if ($this->sourceBlueprint) {
$tmp[] = 'Blueprint: ' . $this->sourceBlueprint->getName();
}
if ($this->sourceType) {
$tmp[] = 'Type:' . $this->sourceType;
}
if ($this->sourceKey) {
$tmp[] = 'Key:' . $this->sourceKey;
}
if (count($tmp)) {
return ' (' . implode(', ', $tmp) . ')';
}
return '';
}