File: src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Diagnostics\IBuiltInAnalyzer.cs
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Project: src\src\Workspaces\Core\Portable\Microsoft.CodeAnalysis.Workspaces.csproj (Microsoft.CodeAnalysis.Workspaces)
// 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.
 
namespace Microsoft.CodeAnalysis.Diagnostics;
 
/// <summary>
/// This interface is a marker for all the analyzers that are built in.
/// We will record non-fatal-watson if any analyzer with this interface throws an exception.
/// 
/// also, built in analyzer can do things that third-party analyzer (command line analyzer) can't do
/// such as reporting all diagnostic descriptors as hidden when it can return different severity on runtime.
/// 
/// or reporting diagnostics ID that is not reported by SupportedDiagnostics.
/// 
/// this interface is used by the engine to allow this special behavior over command line analyzers.
/// </summary>
internal interface IBuiltInAnalyzer
{
    /// <summary>
    /// This category will be used to run analyzer more efficiently by restricting scope of analysis
    /// </summary>
    DiagnosticAnalyzerCategory GetAnalyzerCategory();
 
    /// <summary>
    /// If this analyzer is privileged and should run with higher priority than other analyzers.
    /// </summary>
    bool IsHighPriority { get; }
}