File: src\Analyzers\CSharp\CodeFixes\RemoveUnnecessaryParentheses\CSharpRemoveUnnecessaryParenthesesCodeFixProvider.cs
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Project: src\src\Features\CSharp\Portable\Microsoft.CodeAnalysis.CSharp.Features.csproj (Microsoft.CodeAnalysis.CSharp.Features)
// 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.Composition;
using System.Diagnostics.CodeAnalysis;
using System.Threading;
using Microsoft.CodeAnalysis.CodeFixes;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis.RemoveUnnecessaryParentheses;
 
namespace Microsoft.CodeAnalysis.CSharp.RemoveUnnecessaryParentheses;
 
[ExportCodeFixProvider(LanguageNames.CSharp, Name = PredefinedCodeFixProviderNames.RemoveUnnecessaryParentheses), Shared]
[method: ImportingConstructor]
[method: SuppressMessage("RoslynDiagnosticsReliability", "RS0033:Importing constructor should be [Obsolete]", Justification = "Used in test code: https://github.com/dotnet/roslyn/issues/42814")]
internal sealed class CSharpRemoveUnnecessaryParenthesesCodeFixProvider()
    : AbstractRemoveUnnecessaryParenthesesCodeFixProvider<SyntaxNode>
{
    protected override bool CanRemoveParentheses(SyntaxNode current, SemanticModel semanticModel, CancellationToken cancellationToken)
        => current switch
        {
            ParenthesizedExpressionSyntax p => CSharpRemoveUnnecessaryExpressionParenthesesDiagnosticAnalyzer.CanRemoveParenthesesHelper(p, semanticModel, cancellationToken, out _, out _),
            ParenthesizedPatternSyntax p => CSharpRemoveUnnecessaryPatternParenthesesDiagnosticAnalyzer.CanRemoveParenthesesHelper(p, out _, out _),
            _ => false,
        };
}