IDictionary.cs

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namespace System.Collections;
 
public interface IDictionary : ICollection, IEnumerable
{
    object? this[object key] { get; set; }
 
    ICollection Keys { get; }
 
    ICollection Values { get; }
 
    bool IsReadOnly { get; }
 
    bool IsFixedSize { get; }
 
    bool Contains(object key);
 
    void Add(object key, object? value);
 
    void Clear();
 
    new IDictionaryEnumerator GetEnumerator();
 
    void Remove(object key);
}