File: Structure\Providers\DestructorDeclarationStructureProvider.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.Threading;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis.PooledObjects;
using Microsoft.CodeAnalysis.Structure;
 
namespace Microsoft.CodeAnalysis.CSharp.Structure;
 
internal class DestructorDeclarationStructureProvider : AbstractSyntaxNodeStructureProvider<DestructorDeclarationSyntax>
{
    protected override void CollectBlockSpans(
        SyntaxToken previousToken,
        DestructorDeclarationSyntax destructorDeclaration,
        ArrayBuilder<BlockSpan> spans,
        BlockStructureOptions options,
        CancellationToken cancellationToken)
    {
        CSharpStructureHelpers.CollectCommentBlockSpans(destructorDeclaration, spans, options);
 
        // fault tolerance
        if (destructorDeclaration.Body == null ||
            destructorDeclaration.Body.OpenBraceToken.IsMissing ||
            destructorDeclaration.Body.CloseBraceToken.IsMissing)
        {
            return;
        }
 
        spans.AddIfNotNull(CSharpStructureHelpers.CreateBlockSpan(
            destructorDeclaration,
            destructorDeclaration.ParameterList.GetLastToken(includeZeroWidth: true),
            compressEmptyLines: false,
            autoCollapse: true,
            type: BlockTypes.Member,
            isCollapsible: true));
    }
}