MutationCallback typedef
@DomName('MutationCallback')
typedef void MutationCallback(List<MutationRecord> mutations, MutationObserver observer);
typedef void MutationCallback(List<MutationRecord> mutations, MutationObserver observer) #
@DomName('MutationCallback')
typedef void MutationCallback(List<MutationRecord> mutations, MutationObserver observer);