Defines BPEL Debugger Plugin event requests and event request management.
With the exception of {@link org.netbeans.modules.bpel.debugger.spi.plugin.event.BpelEngineDisconnectedEvent}, which is always sent, there is one kind of {@link org.netbeans.modules.bpel.debugger.spi.plugin.request.EventRequest} for each kind of {@link org.netbeans.modules.bpel.debugger.spi.plugin.event.Event} - for example {@link org.netbeans.modules.bpel.debugger.spi.plugin.request.BreakpointReachedRequest} is used to request a {@link org.netbeans.modules.bpel.debugger.spi.plugin.event.BreakpointReachedEvent}. Event requests are created by the {@link org.netbeans.modules.bpel.debugger.spi.plugin.request.EventRequestManager}. Events and event processing are defined in the {@link org.netbeans.modules.bpel.debugger.spi.plugin.event} package.