<PackageReference Include="NETStandard.Library" Version="2.0.0" />

System.Collections.Specialized.ListDictionary

public int Count { get; }

public bool IsFixedSize { get; }

public bool IsReadOnly { get; }

public bool IsSynchronized { get; }

public object this[object key] { get; set; }

public ICollection Keys { get; }

public object SyncRoot { get; }

public ICollection Values { get; }

public ListDictionary()

public ListDictionary(IComparer comparer)

public void Add(object key, object value)

public void Clear()

public bool Contains(object key)

public void CopyTo(Array array, int index)

public void Remove(object key)