org.eclipse.debug.core
Interfaces 
IBreakpointListener
IBreakpointManager
IDebugEventFilter
IDebugEventSetListener
IExpressionListener
IExpressionManager
ILaunch
ILaunchConfiguration
ILaunchConfigurationListener
ILaunchConfigurationType
ILaunchConfigurationWorkingCopy
ILaunchListener
ILaunchManager
IStatusHandler
IStreamListener
Classes 
DebugEvent
DebugPlugin
Launch
Exceptions 
DebugException