<PackageReference Include="BouncyCastle.Cryptography" Version="2.3.0" />

ReadOnlyList<T>

abstract class ReadOnlyList<T> : IList<T>, ICollection<T>, IEnumerable<T>, IEnumerable
public abstract int Count { get; }

public bool IsReadOnly { get; }

public T this[int index] { get; set; }

protected ReadOnlyList()

public void Add(T item)

public void Clear()

public abstract bool Contains(T item)

public abstract void CopyTo(T[] array, int arrayIndex)

public abstract IEnumerator<T> GetEnumerator()

public abstract int IndexOf(T item)

public void Insert(int index, T item)

protected abstract T Lookup(int index)

public bool Remove(T item)

public void RemoveAt(int index)