Query parameter to specify how many revisions are returned in the changes array. The default, main_only, will only return the current "winning" revision; all_docs will return all leaf revisions (including conflicts and deleted former conflicts).
main_only
Query parameter to specify how many revisions are returned in the changes array. The default,
main_only, will only return the current "winning" revision; all_docs will return all leaf revisions (including conflicts and deleted former conflicts).