Interface for CouchbaseClientFactory unavailable in org.springfamework.data.couchbase , Insert raw java data to Couchbase Multiple Buckets

Hi Team,
I want to insert my logs from java springboot project to a couchbase bucket, could you please help me to complete this task.
For this task, we required to open multiple buckets, but we are unable to import couchbase client factory.
Could you please help us to resolve this issue.

See the last example in Missing couchbase.repository.multibucket documentation (4.x) [DATACOUCH-570] · Issue #878 · spring-projects/spring-data-couchbase · GitHub for multi-bucket configurations.

Also src/test/java/org.springframework.data.couchbase.domain.Config.java

git clone git@github.com:spring-projects/spring-data-couchbase.git