containsBounds method
Implementation
bool containsBounds(LatLngBounds bounds) {
var sw2 = bounds._sw!;
var ne2 = bounds._ne;
return (sw2.latitude >= _sw!.latitude) &&
(ne2!.latitude <= _ne!.latitude) &&
(sw2.longitude >= _sw!.longitude) &&
(ne2.longitude <= _ne!.longitude);
}