init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Utilities/Collections/ISet.cs

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+using System.Collections;
+
+namespace Org.BouncyCastle.Utilities.Collections;
+
+public interface ISet : ICollection, IEnumerable
+{
+	bool IsEmpty { get; }
+
+	bool IsFixedSize { get; }
+
+	bool IsReadOnly { get; }
+
+	void Add(object o);
+
+	void AddAll(IEnumerable e);
+
+	void Clear();
+
+	bool Contains(object o);
+
+	void Remove(object o);
+
+	void RemoveAll(IEnumerable e);
+}