OptionalminZoom?: numberMinimum zoom level at which border labels are visible.
Optionaloffset?: DataDrivenPropertyValueSpecification<[number, number]>Offset of the border label from the line, in ems [x, y].
OptionalsymbolSpacing?: numberDistance between repeated labels along the border line, in pixels.
Labels placed along the polygon border lines, with the center label's fields plus where along the border they repeat.
When set, the border labels are drawn, including when set after the module is created.