getSearcher example

                'id' => $stringId,
                'data' => $string,
            ],
            [
                'id' => $objectId,
                'data' => $object,
            ],
        ];
        $this->getWriter()->insert($this->configJsonDefinition, $data, $context);

        $searcher = $this->getSearcher();
        $context = $context->getContext();

        $criteria = new Criteria();
        $criteria->addFilter(new EqualsFilter('data', $string));
        $result = $searcher->search($this->configJsonDefinition, $criteria, $context);

        static::assertCount(1, $result->getIds());
        static::assertEquals([$stringId], $result->getIds());

        $criteria = new Criteria();
        $criteria->addFilter(new EqualsFilter('data.foo', 'bar'));