Packages 
Package Description
pl.edu.icm.unity.engine.api
The main entry point to engine's functionality.
pl.edu.icm.unity.engine.api.attributes  
pl.edu.icm.unity.engine.api.authn
Authentication related API and utilities
pl.edu.icm.unity.engine.api.authn.local
Local authentication API and general purpose support classes
pl.edu.icm.unity.engine.api.authn.remote
Remote authentication API
pl.edu.icm.unity.engine.api.bulk
Support for bulk operations: retrieving of mass data at once, that can be reused for obtaining fast results on large amounts of records (e.g. resolving attributes of all entities in a group).
pl.edu.icm.unity.engine.api.bulkops
Entity bulk operations
pl.edu.icm.unity.engine.api.config
Configuration of the server
pl.edu.icm.unity.engine.api.confirmation
Confirmations API
pl.edu.icm.unity.engine.api.confirmation.states
Different types of confirmation state which is stored in database.
pl.edu.icm.unity.engine.api.endpoint
Endpoint API
pl.edu.icm.unity.engine.api.event
Events processing
pl.edu.icm.unity.engine.api.files  
pl.edu.icm.unity.engine.api.finalization  
pl.edu.icm.unity.engine.api.identity
Identity API
pl.edu.icm.unity.engine.api.idp
IdP-type endpoints support
pl.edu.icm.unity.engine.api.initializers
Content initializers API.
pl.edu.icm.unity.engine.api.msg
Message bundles and localization support
pl.edu.icm.unity.engine.api.msgtemplate  
pl.edu.icm.unity.engine.api.notification
Notification API
pl.edu.icm.unity.engine.api.pki  
pl.edu.icm.unity.engine.api.project  
pl.edu.icm.unity.engine.api.registration
Registration and enquiry public API
pl.edu.icm.unity.engine.api.server
Network server related APIs
pl.edu.icm.unity.engine.api.session
Unity login session API
pl.edu.icm.unity.engine.api.token
Low level tokens management API
pl.edu.icm.unity.engine.api.translation
Generic translation profile interface
pl.edu.icm.unity.engine.api.translation.form
Registration translation profile API
pl.edu.icm.unity.engine.api.translation.in
Input translation profiles API
pl.edu.icm.unity.engine.api.translation.out
Output translation API
pl.edu.icm.unity.engine.api.userimport
API of the user import subsystem.
pl.edu.icm.unity.engine.api.utils
Misc utilities
pl.edu.icm.unity.engine.api.utils.json  
pl.edu.icm.unity.engine.api.wellknown
API related to exposing constant public URLs