getVariantOptionsMapping example

'formattedReleaseDate' => TypeMappingInterface::MAPPING_DATE_FIELD,

                // Nested structs                 'manufacturer' => $this->getManufacturerMapping($shop),
                'priceGroup' => $this->getPriceGroupMapping(),
                'properties' => $this->getPropertyMapping($shop),
                'esd' => $this->getEsdMapping(),
                'tax' => $this->getTaxMapping(),
                'unit' => $this->getUnitMapping(),

                'attributes' => $this->getAttributeMapping(),
                'configuration' => $this->getVariantOptionsMapping($shop),

                'voteAverage' => $this->getVoteAverageMapping(),
                'manualSorting' => $this->getManualMapping(),
            ],
        ];

        if ($variantFacet) {
            $productMapping['properties']['filterConfiguration'] = $this->getVariantOptionsMapping($shop);
            $productMapping['properties']['listingVariationPrices'] = self::DYNAMIC_MAPPING;
            $productMapping['properties']['availability'] = self::DYNAMIC_MAPPING;
            $productMapping['properties']['visibility'] = self::DYNAMIC_MAPPING;
        }