<PackageReference Include="NETStandard.Library" Version="2.0.2" />

System.Collections.Specialized.StringDictionary

public class StringDictionary : IEnumerable
namespace System.Collections.Specialized { public class StringDictionary : IEnumerable { public virtual int Count { get; } public virtual bool IsSynchronized { get; } public virtual string this[string key] { get; set; } public virtual ICollection Keys { get; } public virtual object SyncRoot { get; } public virtual ICollection Values { get; } public StringDictionary(); public virtual void Add(string key, string value); public virtual void Clear(); public virtual bool ContainsKey(string key); public virtual bool ContainsValue(string value); public virtual void CopyTo(Array array, int index); public virtual IEnumerator GetEnumerator(); public virtual void Remove(string key); } }