IReadOnlyDictionary.cs

namespace System.Collections.Generic
{
    [__DynamicallyInvokable]
    public interface IReadOnlyDictionary<TKey, TValue> : IReadOnlyCollection<KeyValuePair<TKey, TValue>>, IEnumerable<KeyValuePair<TKey, TValue>>, IEnumerable
    {
        [__DynamicallyInvokable]
        TValue this[TKey key]
        {
            [__DynamicallyInvokable]
            get;
        }

        [__DynamicallyInvokable]
        IEnumerable<TKey> Keys
        {
            [__DynamicallyInvokable]
            get;
        }

        [__DynamicallyInvokable]
        IEnumerable<TValue> Values
        {
            [__DynamicallyInvokable]
            get;
        }

        [__DynamicallyInvokable]
        bool ContainsKey(TKey key);

        [__DynamicallyInvokable]
        bool TryGetValue(TKey key, out TValue value);
    }
}