~~ operatorPosition: maintain ~~
== should format maintaining the operator position ==
export function getIterator(iterable: I): Iterator<
    I extends ReadonlyESMap<infer K, infer V> ? [K, V] :
    I extends ReadonlySet<infer T> ? T :
    I extends readonly (infer T)[] ? T :
    I extends undefined ? undefined :
    never>;

[expect]
export function getIterator(iterable: I): Iterator<
    I extends ReadonlyESMap<infer K, infer V> ? [K, V] :
        I extends ReadonlySet<infer T> ? T :
        I extends readonly (infer T)[] ? T :
        I extends undefined ? undefined :
        never
>;