Interfaces
 InterfaceDescription
 ContentTracker 
 Timeline Interface used by application developers to interact with the timeline.
 TimelineMarker The TimelineMarker describes a marker on the timeline
Classes
 ClassDescription
 Opportunity Base class for all opportunity classes.
 Placement Class which wraps information related to timeline placement.
 PlacementMode Enumeration of placement types.
 PlacementType Enumeration of placement types.
 Reservation A reservation is used to limit or prevent further processing of a certain time range on the timeline.
 TimelineItem Generic representation of a timeline item.