// 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.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.Formatting;
using Microsoft.CodeAnalysis.Host;
 
namespace Microsoft.CodeAnalysis.RemoveUnnecessaryImports
{
    internal interface IRemoveUnnecessaryImportsService : ILanguageService
    {
        /// <param name="formattingOptions">Null if the document does not support syntax trees.</param>
        Task<Document> RemoveUnnecessaryImportsAsync(Document document, SyntaxFormattingOptions? formattingOptions, CancellationToken cancellationToken);
 
        /// <param name="formattingOptions">Null if the document does not support syntax trees.</param>
        Task<Document> RemoveUnnecessaryImportsAsync(Document fromDocument, Func<SyntaxNode, bool>? predicate, SyntaxFormattingOptions? formattingOptions, CancellationToken cancellationToken);
    }
}