endAt method
Create a query constrained to only return child nodes with a value less than or equal to the given value, using the given orderBy directive or priority as default, and optionally only child nodes with a key less than or equal to the given key.
Implementation
Query endAt(Object? value, {String? key}) {
return Query._(
_queryDelegate,
_modifiers.end(EndCursorModifier.endAt(value, key)),
);
}