maybeMap<TResult extends Object?>  method 
- @optionalTypeArgs
 
- TResult $default(
- _FeedPostgateRecord value
 
 - required TResult orElse(),
 
A variant of map that fallback to returning orElse.
It is equivalent to doing:
switch (sealedClass) {
  case final Subclass value:
    return ...;
  case _:
    return orElse();
}
Implementation
@optionalTypeArgs TResult maybeMap<TResult extends Object?>(TResult Function( _FeedPostgateRecord value)?  $default,{required TResult orElse(),}){
final _that = this;
switch (_that) {
case _FeedPostgateRecord() when $default != null:
return $default(_that);case _:
  return orElse();
}
}