Uses the same [[LadderOptions]] that have been used getting this ladder.
If you want to fetch an entire ladder, it is highly recommended to set the limit option to 200.
Parameters
append: boolean = true
Set to true if the next entries should be appended to this ladders entries
The next set of ladder entries, null when there are no more entries
toPlain
toPlain(): unknown
Converts this class back into a plain javascript object.
remarks
Property keys which have been renamed during the initial transformation to a class object will
be reverted to the original keys. For example, the cachedSince property in the Ladder
class will be reverted to the original API property, cached_since.
cached_since