func pysince[R](ver: static[float | MajorMinorVersion]; defExpr, elseExpr: R): R {. inline.}
macro pysince(major, minor: static int; def)
macro wrapExportSincepy(major, minor: static int; sym: typed)
template exportSincepy(major, minor: int; sym: typed)
template pysince[R](ver: MajorMinorVersion; defExpr, elseExpr: R): R