digraph emptyWhen_kt {
    graph [nodesep=3]
    node [shape=box penwidth=2]
    edge [penwidth=2]

    subgraph cluster_0 {
        color=red
        0 [label="Enter file emptyWhen.kt" style="filled" fillcolor=red];
        1 [label="Exit file emptyWhen.kt" style="filled" fillcolor=red];
    }
    0 -> {1} [color=green];

    subgraph cluster_1 {
        color=red
        2 [label="Enter function test_1" style="filled" fillcolor=red];
        subgraph cluster_2 {
            color=blue
            3 [label="Enter block"];
            subgraph cluster_3 {
                color=blue
                4 [label="Enter when"];
                5 [label="Synthetic else branch"];
                6 [label="Exit when"];
            }
            7 [label="Exit block"];
        }
        8 [label="Exit function test_1" style="filled" fillcolor=red];
    }
    2 -> {3};
    3 -> {4};
    4 -> {5};
    5 -> {6};
    6 -> {7};
    7 -> {8};

    subgraph cluster_4 {
        color=red
        9 [label="Enter function test_2" style="filled" fillcolor=red];
        subgraph cluster_5 {
            color=blue
            10 [label="Enter block"];
            subgraph cluster_6 {
                color=blue
                11 [label="Enter when"];
                12 [label="Access variable R|<local>/x|"];
                13 [label="Synthetic else branch"];
                14 [label="Exit when"];
            }
            15 [label="Exit block"];
        }
        16 [label="Exit function test_2" style="filled" fillcolor=red];
    }
    9 -> {10};
    10 -> {11};
    11 -> {12};
    12 -> {13};
    13 -> {14};
    14 -> {15};
    15 -> {16};

    subgraph cluster_7 {
        color=red
        17 [label="Enter function test_3" style="filled" fillcolor=red];
        subgraph cluster_8 {
            color=blue
            18 [label="Enter block"];
            subgraph cluster_9 {
                color=blue
                19 [label="Enter when"];
                20 [label="Access variable R|<local>/x|"];
                21 [label="Variable declaration: lval y: R|kotlin/Int|"];
                22 [label="Synthetic else branch"];
                23 [label="Exit when"];
            }
            24 [label="Exit block"];
        }
        25 [label="Exit function test_3" style="filled" fillcolor=red];
    }
    17 -> {18};
    18 -> {19};
    19 -> {20};
    20 -> {21};
    21 -> {22};
    22 -> {23};
    23 -> {24};
    24 -> {25};

}