This is the documentation of version 0.62.0. Go to the latest version, 1.0.0-rc.5.
TomTom Maps for JavaScript
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    Variable INCIDENT_FOCUS_WIDTH_FACTOR_RANGEConst

    INCIDENT_FOCUS_WIDTH_FACTOR_RANGE: KnobRange = ...

    The values IncidentFocusStyle.widthFactor is clamped to.

    1 leaves focused incidents at their normal width; above 1.8 the widened stripe would cover the focus outline at high zoom.