Graphical Class Hierarchy Node0 TRTCond::NestedContainer Base< NestingLevel, NestedContainer < NestingLevel+1, TRTCond::StrawT0, TRTCond::StrawT0Trait >, TRTCond ::StrawT0, TRTCond::StrawT0Trait > Node1 TRTCond::NestedContainer < 1, TRTCond::StrawT0, TRTCond::StrawT0Trait > Node0->Node1 Node2 TRTCond::NestedContainer < 3, TRTCond::StrawT0, TRTCond::StrawT0Trait > Node0->Node2 Node3 TRTCond::NestedContainer < 4, TRTCond::StrawT0, TRTCond::StrawT0Trait > Node0->Node3