This is the documentation of version 0.55.1. Go to the latest version, 1.0.0-rc.5.
TomTom Maps for JavaScript
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    Variable bespokeSectionTypesConst

    bespokeSectionTypes: readonly [
        "ferry",
        "tollRoad",
        "traffic",
        "tunnel",
        "vehicleRestricted",
    ] = ...

    The drawn section types whose layers are hand-written rather than generated.