src/models/cassandra/lock/create_lockModel.js

src/models/cassandra/lock/index.js

src/models/contentModel.js

src/package-lock.json

src/routes/contentRoutes.js

src/routes/lockRoutes.js

src/service/contentService.js

src/service/lockService.js

src/service/messageUtil.js

src/utils/cassandraUtil.js