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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
using System;
using System.Collections.Generic;
using System.Diagnostics.Contracts;
// Windows.Foundation.Collections.IMap`2, IMapView`2, and IKeyValuePair`2 cannot be referenced from
// managed code because they're hidden by the metadata adapter. We redeclare the interfaces manually
// to be able to talk to native WinRT objects.
namespace System.Runtime.InteropServices.WindowsRuntime
{
[ComImport]
[Guid("3c2925fe-8519-45c1-aa79-197b6718c1c1")]
[WindowsRuntimeImport]
internal interface IMap<K, V> : IIterable<IKeyValuePair<K, V>>
{
[Pure]
V Lookup(K key);
[Pure]
uint Size { get; }
[Pure]
bool HasKey(K key);
[Pure]
IReadOnlyDictionary<K, V> GetView(); // Really an IMapView<K, V>
bool Insert(K key, V value);
void Remove(K key);
void Clear();
}
[ComImport]
[Guid("e480ce40-a338-4ada-adcf-272272e48cb9")]
[WindowsRuntimeImport]
internal interface IMapView<K, V> : IIterable<IKeyValuePair<K, V>>
{
[Pure]
V Lookup(K key);
[Pure]
uint Size { get; }
[Pure]
bool HasKey(K key);
[Pure]
void Split(out IMapView<K, V> first, out IMapView<K, V> second);
}
[ComImport]
[Guid("02b51929-c1c4-4a7e-8940-0312b5c18500")]
[WindowsRuntimeImport]
internal interface IKeyValuePair<K, V>
{
[Pure]
K Key { get; }
[Pure]
V Value { get; }
}
}
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