{
    "NodeRootType": "TExprBase",
    "NodeBuilderBase": "TNodeBuilderBase",
    "ListBuilderBase": "TListBuilderBase",
    "FreeArgCallableBase": "TFreeArgCallable",
    "FreeArgBuilderBase": "TFreeArgCallableBuilderBase",
    "Nodes": [
        {
            "Name": "TYtflowDSource",
            "Base": "TCallable",
            "Definition": "Custom",
            "Builder": {"Generate": "None"},
            "Match": {"Type": "Callable", "Name": "DataSource"},
            "Children": [
                {"Index": 0, "Name": "Category", "Type": "TCoAtom"},
                {"Index": 1, "Name": "Cluster", "Type": "TCoAtom"}
            ]
        },
        {
            "Name": "TYtflowDSink",
            "Base": "TCallable",
            "Definition": "Custom",
            "Builder": {"Generate": "None"},
            "Match": {"Type": "Callable", "Name": "DataSink"},
            "Children": [
                {"Index": 0, "Name": "Category", "Type": "TCoAtom"},
                {"Index": 1, "Name": "Cluster", "Type": "TCoAtom"}
            ]
        },
        {
            "Name": "TYtflowReadWrap",
            "Base": "TCallable",
            "Match": {"Type": "Callable", "Name": "YtflowReadWrap"},
            "Children": [
                {"Index": 0, "Name": "Input", "Type": "TExprBase"},
                {"Index": 1, "Name": "Token", "Type": "TCoSecureParam", "Optional": true}
            ]
        },
        {
            "Name": "TYtflowWriteWrap",
            "Base": "TCallable",
            "Match": {"Type": "Callable", "Name": "YtflowWriteWrap"},
            "Children": [
                {"Index": 0, "Name": "Input", "Type": "TExprBase"},
                {"Index": 1, "Name": "Token", "Type": "TCoSecureParam", "Optional": true}
            ]
        },
        {
            "Name": "TYtflowReadStub",
            "Base": "TCallable",
            "Match": {"Type": "Callable", "Name": "YtflowReadStub!"},
            "Children": [
                {"Index": 0, "Name": "World", "Type": "TExprBase"},
                {"Index": 1, "Name": "ItemType", "Type": "TExprBase"}
            ]
        },
        {
            "Name": "TYtflowPersistentSource",
            "Base": "TCallable",
            "Match": {"Type": "Callable", "Name": "YtflowPersistentSource"},
            "Children": [
                {"Index": 0, "Name": "Name", "Type": "TCoAtom"},
                {"Index": 1, "Name": "Input", "Type": "TExprBase"}
            ]
        },
        {
            "Name": "TYtflowSinkBase",
            "Base": "TCallable",
            "Match": {"Type": "CallableBase"},
            "Builder": {"Generate": "None"},
            "Children": [
                {"Index": 0, "Name": "Name", "Type": "TCoAtom"},
                {"Index": 1, "Name": "OutputIndex", "Type": "TCoAtom"}
            ]
        },
        {
            "Name": "TYtflowIntermediateSink",
            "Base": "TYtflowSinkBase",
            "Match": {"Type": "Callable", "Name": "YtflowIntermediateSink"},
            "Children": [
                {"Index": 2, "Name": "RowType", "Type": "TExprBase"}
            ]
        },
        {
            "Name": "TYtflowPersistentSink",
            "Base": "TYtflowSinkBase",
            "Match": {"Type": "Callable", "Name": "YtflowPersistentSink"},
            "Children": [
                {"Index": 2, "Name": "Input", "Type": "TExprBase"}
            ]
        },
        {
            "Name": "TYtflowOpBase",
            "Base": "TCallable",
            "Match": {"Type": "CallableBase"},
            "Builder": {"Generate": "None"},
            "Children": [
                {"Index": 0, "Name": "World", "Type": "TExprBase"},
                {"Index": 1, "Name": "Sources", "Type": "TExprList"},
                {"Index": 2, "Name": "Sinks", "Type": "TExprList"},
                {"Index": 3, "Name": "Settings", "Type": "TCoNameValueTupleList"}
            ]
        },
        {
            "Name": "TYtflowMapBase",
            "Base": "TYtflowOpBase",
            "Match": {"Type": "CallableBase"},
            "Children": [
                {"Index": 4, "Name": "Lambda", "Type": "TCoLambda"}
            ]
        },
        {
            "Name": "TYtflowMap",
            "Base": "TYtflowMapBase",
            "Match": {"Type": "Callable", "Name": "YtflowMap!"}
        },
        {
            "Name": "TYtflowSourceMap",
            "Base": "TYtflowMapBase",
            "Match": {"Type": "Callable", "Name": "YtflowSourceMap!"}
        },
        {
            "Name": "TYtflowTransformMap",
            "Base": "TYtflowMapBase",
            "Match": {"Type": "Callable", "Name": "YtflowTransformMap!"},
            "Children": [
                {"Index": 5, "Name": "GroupByColumns", "Type": "TCoAtomList"}
            ]
        },
        {
            "Name": "TYtflowHoppingAggregate",
            "Base": "TYtflowOpBase",
            "Match": {"Type": "Callable", "Name": "YtflowHoppingAggregate!"},
            "Children": [
                {"Index": 4, "Name": "Keys", "Type": "TCoAtomList"},
                {"Index": 5, "Name": "UpdateStateLambda", "Type": "TCoLambda"},
                {"Index": 6, "Name": "PostprocessLambda", "Type": "TCoLambda"},
                {"Index": 7, "Name": "Column", "Type": "TCoAtom"},
                {"Index": 8, "Name": "Hop", "Type": "TCoAtom"},
                {"Index": 9, "Name": "Interval", "Type": "TCoAtom"},
                {"Index": 10, "Name": "Delay", "Type": "TCoAtom"},
                {"Index": 11, "Name": "ItemType", "Type": "TExprBase"},
                {"Index": 12, "Name": "InitLambda", "Type": "TCoLambda"},
                {"Index": 13, "Name": "SaveLambda", "Type": "TCoLambda"}
            ]
        },
        {
            "Name": "TYtflowLookupJoinScope",
            "Base": "TExprBase",
            "Match": {"Type": "Tuple"},
            "Children": [
                {"Index": 0, "Name": "Label", "Type": "TCoAtom"},
                {"Index": 1, "Name": "Side", "Type": "TCoAtom"},
                {"Index": 2, "Name": "Keys", "Type": "TCoAtomList"},
                {"Index": 3, "Name": "RowSelectionMode", "Type": "TCoAtom"}
            ]
        },
        {
            "Name": "TYtflowLookupJoin",
            "Base": "TCallable",
            "Match": {"Type": "Callable", "Name": "YtflowLookupJoin"},
            "Children": [
                {"Index": 0, "Name": "Stream", "Type": "TExprBase"},
                {"Index": 1, "Name": "LookupSource", "Type": "TExprBase"},
                {"Index": 2, "Name": "JoinKind", "Type": "TCoAtom"},
                {"Index": 3, "Name": "StreamScope", "Type": "TYtflowLookupJoinScope"},
                {"Index": 4, "Name": "LookupSourceScope", "Type": "TYtflowLookupJoinScope"},
                {"Index": 5, "Name": "Columns", "Type": "TCoAtomList"}
            ]
        },
        {
            "Name": "TYtflowOutput",
            "Base": "TCallable",
            "Match": {"Type": "Callable", "Name": "YtflowOutput"},
            "Children": [
                {"Index": 0, "Name": "Operation", "Type": "TYtflowOpBase"},
                {"Index": 1, "Name": "OutputIndex", "Type": "TCoAtom"}
            ]
        },
        {
            "Name": "TYtflowPublish",
            "Base": "TCallable",
            "Match": {"Type": "Callable", "Name": "YtflowPublish!"},
            "Children": [
                {"Index": 0, "Name": "World", "Type": "TExprBase"},
                {"Index": 1, "Name": "Settings", "Type": "TCoNameValueTupleList"}
            ]
        }
    ]
}