Packages 
Package Description
io.objectbox
ObjectBox is an an easy to use, object-oriented lightweight database and a full alternative to SQLite.
io.objectbox.annotation
Annotations to mark a class as an @Entity, to specify the @Id property, to create an @Index or a @Transient property.
io.objectbox.annotation.apihint
Annotations to mark APIs as for example @Internal or @Experimental.
io.objectbox.converter
For use with @Convert: PropertyConverter to convert custom property types.
io.objectbox.exception
Various exceptions thrown by ObjectBox.
io.objectbox.query
Classes related to building a Query or PropertyQuery.
io.objectbox.reactive
Classes to configure a DataSubscription for observing box or query changes.
io.objectbox.relation
Classes to manage ToOne and ToMany relations between entities.
io.objectbox.sync
ObjectBox Sync allows to automatically synchronize local data with a sync destination (e.g.
io.objectbox.sync.server