Variable borderSetNamesConst

borderSetNames: readonly [
    "ascii",
    "beveled",
    "dashed",
    "dashedWide",
    "dotted",
    "double",
    "halfSolid",
    "halfSolidFar",
    "halfSolidNear",
    "hDouble",
    "hThick",
    "near",
    "solid",
    "space",
    "thick",
    "thickDashed",
    "thickDashedWide",
    "thickDotted",
    "thin",
    "vDouble",
    "vThick",
] = ...