Function setval

setval(a0: Regclass<0 | 1>, a1: undefined | bigint | Int8<0 | 1>): Int8<0 | 1>

setval(
    a0: Regclass<0 | 1>,
    a1: undefined | bigint | Int8<0 | 1>,
    a2: undefined | boolean | Bool<0 | 1>,
): Int8<0 | 1>