maybeWhen<TResult extends Object?>  method 
      
  
TResult
maybeWhen<TResult extends Object?>(})
      
      
    
A variant of when that fallback to an orElse callback.
It is equivalent to doing:
switch (sealedClass) {
  case Subclass(:final field):
    return ...;
  case _:
    return orElse();
}
Implementation
@optionalTypeArgs TResult maybeWhen<TResult extends Object?>(TResult Function(@JsonKey(name: 'crv')  String crv, @JsonKey(name: 'ext')  bool ext, @JsonKey(name: 'key_ops')  List<String> keyOps, @JsonKey(name: 'kty')  String kty, @JsonKey(name: 'x')  String x, @JsonKey(name: 'y')  String y)?  $default,{required TResult orElse(),}) {final _that = this;
switch (_that) {
case _PublicKey() when $default != null:
return $default(_that.crv,_that.ext,_that.keyOps,_that.kty,_that.x,_that.y);case _:
  return orElse();
}
}