Function daterange

daterange(a0: Date<0 | 1>, a1: Date<0 | 1>): Daterange<0 | 1>

daterange(
    a0: Date<0 | 1>,
    a1: Date<0 | 1>,
    a2: undefined | string | Text<0 | 1>,
): Daterange<0 | 1>