Capabilities The Capabilities class provides properties that describe the system and runtime that are hosting the application.
 Security The URLRequest class captures all of the information in a single HTTP request.
 SecurityPrivilege The SecurityPrivilege class is undocumented.
 System The System class contains properties related to local settings and operations.
 Worker A user program-initiated, software-isolated, virtual player instance.
 WorkerState This class represents an enumeration of the possible worker states.