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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.Linq;
namespace Microsoft.CodeAnalysis.Simplification;
/// <summary>
/// An annotation that holds onto information about a type or namespace symbol.
/// </summary>
internal sealed class SymbolAnnotation
{
public const string Kind = "SymbolId";
public static SyntaxAnnotation Create(ISymbol symbol)
=> new(Kind, DocumentationCommentId.CreateReferenceId(symbol));
public static ISymbol? GetSymbol(SyntaxAnnotation annotation, Compilation compilation)
=> GetSymbols(annotation, compilation).FirstOrDefault();
public static ImmutableArray<ISymbol> GetSymbols(SyntaxAnnotation annotation, Compilation compilation)
=> annotation.Data is null
? ImmutableArray<ISymbol>.Empty
: DocumentationCommentId.GetSymbolsForReferenceId(annotation.Data, compilation);
}
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