Function mapAlignments

mapAlignments(
    alignments: readonly unknown[] | undefined,
    units: LandXmlIfcUnits | null,
    swap: boolean,
    resolve: PointResolver,
): AlignmentMapping
Map every alignment, splitting them into written and refused (§11.2).

An alignment is refused WHOLE rather than written with a gap: every station after a missing segment would be wrong.
Parameters
- alignments: readonly unknown[] | undefined
- units: LandXmlIfcUnits | null
- swap: boolean
- resolve: PointResolver
Returns AlignmentMapping