digraph G {
    rankdir=LR;
    subgraph cluster0 {
        Start;
        node [shape=box,style=filled,color=red];
        label = "EIC";
        subgraph cluster1{
        node [shape=box,style=filled,color=blue];
            style=filled;
            label = "Token";
            token;
        }
        subgraph cluster_sync {
            label = "EIController<WithClock>";
            sync_new_sync;
            sync_new_async;
        }
        subgraph cluster_async {
            label = "EIController<NoClockOnlyAsync>";
            node [shape=box,style=filled,color=blue];
            async_new_async;
        }
        subgraph cluster_extint {
            label = "ExtInt";
            subgraph cluster_sense_debounce {
                label = "Sense = None, Rise, Fall, Both, High, Low";
                subgraph cluster_sense_debounce {
                    label = "Sense = Rise, Fall, Both";
                            Debouncing;
                }
                subgraph cluster_sense_nodebounce {
                    label = "Sense = None, High, Low";
                }
                Filtering;
            }
            subgraph cluster2 {
                style=filled;
                label = "WithClock";
                WithClock;
                subgraph withclock {
                node [style=filled,color=gray];
                    NMIEdgeDetect;
                    NMIFiltering;
                    SyncEdgeDetect;
                }
                WithClock -> Filtering;
                WithClock -> SyncEdgeDetect;
                WithClock -> NMIEdgeDetect;
                WithClock -> NMIFiltering;
                WithClock -> Debouncing;
            }
            subgraph cluster3{
            node [shape=box,style=filled,color=blue];
                style=filled;
                label = "NoClockonlyAsync";
                NoClockOnlyAsync;
                subgraph noclockonlyasync {
                node [style=filled,color=gray];
                AsyncEdgeDetect;
                }
                NoClockOnlyAsync -> AsyncEdgeDetect;
            }
        }
        Start -> token;
        token -> sync_new_sync;
        token -> sync_new_async;
        token -> async_new_async;
        async_new_async -> NoClockOnlyAsync;
        sync_new_sync -> WithClock;
        sync_new_async -> NoClockOnlyAsync;
    }
}