Such APIs are exposed so that users can make use of a feature before the API has been stabilized. The expectation is that an API element should be "eventually" stabilized. Incompatible changes are allowed for such APIs: API may be removed, changed or stabilized in future Ignite releases (both minor and maintenance).
Follow @ApacheIgnite Ignite Database and Caching Platform : ver. 2.15.0 Release Date : April 25 2023