// 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;
using System.Composition;
 
namespace Microsoft.CodeAnalysis.Completion;
 
/// <summary>
/// Use this attribute to export a <see cref="CompletionProvider"/> so that it will
/// be found and used by the per language associated <see cref="CompletionService"/>.
/// </summary>
[MetadataAttribute]
[AttributeUsage(AttributeTargets.Class, Inherited = false)]
public sealed class ExportCompletionProviderAttribute(string name, string language) : ExportAttribute(typeof(CompletionProvider))
{
    public string Name { get; } = name ?? throw new ArgumentNullException(nameof(name));
    public string Language { get; } = language ?? throw new ArgumentNullException(nameof(language));
    public string[]? Roles { get; set; }
}