addTranslationUsingSnippetKey example

$missingSnippetStruct->getAvailableISO(),
                    str_replace('-', '_', $missingSnippetStruct->getAvailableISO()),
                ],
                [
                    $missingSnippetStruct->getMissingForISO(),
                    str_replace('-', '_', $missingSnippetStruct->getMissingForISO()),
                ],
                $missingSnippetStruct->getFilePath()
            );

            $json = $this->snippetFileHandler->openJsonFile($newPath);
            $json = $this->addTranslationUsingSnippetKey(
                $json,
                $missingSnippetStruct->getTranslation(),
                $missingSnippetStruct->getKeyPath()
            );

            $this->snippetFileHandler->writeJsonFile($newPath, $json);
        }
    }

    private function addTranslationUsingSnippetKey(array $json, string $translation, string $key): array
    {