Implement DeprecationPolicyManager

Author: Matthias Gessinger

src/Abstractions/src/Asp.Versioning.Abstractions/IDeprecationPolicyManager.cs

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+// Copyright (c) .NET Foundation and contributors. All rights reserved.
+
+namespace Asp.Versioning;
+
+/// <summary>
+/// Defines the behavior of an API version deprecation policy manager.
+/// </summary>
+public interface IDeprecationPolicyManager : IPolicyManager<DeprecationPolicy>
+{ }

src/AspNet/WebApi/src/Asp.Versioning.WebApi/DeprecationPolicyManager.cs

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+// Copyright (c) .NET Foundation and contributors. All rights reserved.
+
+namespace Asp.Versioning;
+
+/// <content>
+/// Provides additional content specific to ASP.NET Web API.
+/// </content>
+public partial class DeprecationPolicyManager
+{
+    private readonly ApiVersioningOptions options;
+
+    /// <inheritdoc/>
+    protected override ApiVersioningOptions Options => options;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="DeprecationPolicyManager"/> class.
+    /// </summary>
+    /// <param name="options">The associated <see cref="ApiVersioningOptions">API versioning options</see>.</param>
+    public DeprecationPolicyManager( ApiVersioningOptions options ) => this.options = options;
+}

src/AspNetCore/WebApi/src/Asp.Versioning.Http/DeprecationPolicyManager.cs

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+// Copyright (c) .NET Foundation and contributors. All rights reserved.
+
+namespace Asp.Versioning;
+
+using Microsoft.Extensions.Options;
+
+/// <content>
+/// Provides additional content specific to ASP.NET Core.
+/// </content>
+public partial class DeprecationPolicyManager
+{
+    private readonly IOptions<ApiVersioningOptions> options;
+
+    /// <inheritdoc/>
+    protected override ApiVersioningOptions Options => options.Value;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="DeprecationPolicyManager"/> class.
+    /// </summary>
+    /// <param name="options">The associated <see cref="ApiVersioningOptions">API versioning options</see>.</param>
+    public DeprecationPolicyManager( IOptions<ApiVersioningOptions> options ) => this.options = options;
+}

src/Common/src/Common/DeprecationPolicyManager.cs

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+// Copyright (c) .NET Foundation and contributors. All rights reserved.
+
+namespace Asp.Versioning;
+
+/// <summary>
+/// Represents the default API version sunset policy manager.
+/// </summary>
+public partial class DeprecationPolicyManager : PolicyManager<DeprecationPolicy, DeprecationPolicyBuilder>, IDeprecationPolicyManager
+{ }