File: Completion\KeywordRecommenders\MethodKeywordRecommender.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.Extensions;
using Microsoft.CodeAnalysis.CSharp.Extensions.ContextQuery;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis.CSharp.Utilities;
 
namespace Microsoft.CodeAnalysis.CSharp.Completion.KeywordRecommenders;
 
internal sealed class MethodKeywordRecommender() : AbstractSyntacticSingleKeywordRecommender(SyntaxKind.MethodKeyword)
{
    protected override bool IsValidContext(int position, CSharpSyntaxContext context, CancellationToken cancellationToken)
    {
        if (context.IsMemberAttributeContext(SyntaxKindSet.ClassInterfaceStructRecordTypeDeclarations, includingRecordParameters: false, cancellationToken))
            return true;
 
        var token = context.TargetToken;
 
        if (token.Kind() == SyntaxKind.OpenBracketToken)
        {
            return token.Parent is AttributeListSyntax
            {
                Parent: PropertyDeclarationSyntax
                    or EventDeclarationSyntax
                    or AccessorDeclarationSyntax
                    or LocalFunctionStatementSyntax
                    or TypeDeclarationSyntax(kind: SyntaxKind.ClassDeclaration or SyntaxKind.StructDeclaration) { ParameterList: not null }
            };
        }
 
        return false;
    }
}