IImmutableDictionary.cs

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using System.Collections.Generic;
 
namespace System.Collections.Immutable;
 
public interface IImmutableDictionary<TKey, TValue> : IReadOnlyDictionary<TKey, TValue>, IEnumerable<KeyValuePair<TKey, TValue>>, IEnumerable, IReadOnlyCollection<KeyValuePair<TKey, TValue>>
{
    IImmutableDictionary<TKey, TValue> Clear();
 
    IImmutableDictionary<TKey, TValue> Add(TKey key, TValue value);
 
    IImmutableDictionary<TKey, TValue> AddRange(IEnumerable<KeyValuePair<TKey, TValue>> pairs);
 
    IImmutableDictionary<TKey, TValue> SetItem(TKey key, TValue value);
 
    IImmutableDictionary<TKey, TValue> SetItems(IEnumerable<KeyValuePair<TKey, TValue>> items);
 
    IImmutableDictionary<TKey, TValue> RemoveRange(IEnumerable<TKey> keys);
 
    IImmutableDictionary<TKey, TValue> Remove(TKey key);
 
    bool Contains(KeyValuePair<TKey, TValue> pair);
 
    bool TryGetKey(TKey equalKey, out TKey actualKey);
}