Packages 
Package Description
com.comsol.api.database
API for working with Model Manager databases.
com.comsol.api.database.param
Input parameter types and their associated helper generators as used in the Model Manager database API for advanced database operations.
com.comsol.api.database.result
Result types returned by read operations in the Model Manager database API.
com.comsol.model
Types for model objects and entities.
com.comsol.model.application
Types for creating and designing user interfaces for apps.
com.comsol.model.physics
Types for physics interfaces, physics features, and multiphysics couplings.
com.comsol.model.util
Utility methods and types for managing models.