File: Features\CodeFixes\CodeFixService.FixAllPredefinedDiagnosticProvider.cs
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Project: src\src\LanguageServer\Protocol\Microsoft.CodeAnalysis.LanguageServer.Protocol.csproj (Microsoft.CodeAnalysis.LanguageServer.Protocol)
// 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.
 
#nullable disable
 
using System.Collections.Generic;
using System.Collections.Immutable;
using System.Threading;
using System.Threading.Tasks;
using Roslyn.Utilities;
 
namespace Microsoft.CodeAnalysis.CodeFixes
{
    internal partial class CodeFixService
    {
        private class FixAllPredefinedDiagnosticProvider : FixAllContext.DiagnosticProvider
        {
            private readonly ImmutableArray<Diagnostic> _diagnostics;
 
            public FixAllPredefinedDiagnosticProvider(ImmutableArray<Diagnostic> diagnostics)
                => _diagnostics = diagnostics;
 
            public override Task<IEnumerable<Diagnostic>> GetAllDiagnosticsAsync(Project project, CancellationToken cancellationToken)
                => Task.FromResult<IEnumerable<Diagnostic>>(_diagnostics);
 
            public override Task<IEnumerable<Diagnostic>> GetDocumentDiagnosticsAsync(Document document, CancellationToken cancellationToken)
                => Task.FromResult<IEnumerable<Diagnostic>>(_diagnostics);
 
            public override Task<IEnumerable<Diagnostic>> GetProjectDiagnosticsAsync(Project project, CancellationToken cancellationToken)
                => SpecializedTasks.EmptyEnumerable<Diagnostic>();
        }
    }
}