'Declaration Public MustOverride Function GetEnumerator() As IEnumerator(Of IndexedGroup(Of TKey,T))
public abstract IEnumerator<IndexedGroup<TKey,T>> GetEnumerator()
'Declaration Public MustOverride Function GetEnumerator() As IEnumerator(Of IndexedGroup(Of TKey,T))
public abstract IEnumerator<IndexedGroup<TKey,T>> GetEnumerator()