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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.Collections.Immutable;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.Host;
namespace Microsoft.CodeAnalysis.UnusedReferences;
internal interface IReferenceCleanupService : IWorkspaceService
{
/// <summary>
/// Return the set of direct Project and Package references for the given project. This
/// is used to get the initial state of the TreatAsUsed attribute for each reference.
/// </summary>
Task<ImmutableArray<ReferenceInfo>> GetProjectReferencesAsync(
string projectPath,
CancellationToken cancellationToken);
/// <summary>
/// Updates the project’s reference by removing or marking references as
/// TreatAsUsed in the project file.
/// </summary>
/// <returns>True, if the reference was updated.</returns>
Task<bool> TryUpdateReferenceAsync(
string projectPath,
ReferenceUpdate referenceUpdate,
CancellationToken cancellationToken);
}
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