Contract - Interface for executing
and accessing properties of Contractor actions
SettingsSerializable -
This interface is used by objects that need to be serialized in a Settings. The object must have a string representation and provide these
methods to translate between the string and object representations.
Classes:
ContractorProxy - Provides a
convenient GObject wrapper around Contractor's D-bus API
System - Utility class for frequently-used
system-related functions, such as opening files, launching applications, or executing terminal commands.