File: Snippets\SnippetProviders\ISnippetProvider.cs
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Project: src\src\Features\Core\Portable\Microsoft.CodeAnalysis.Features.csproj (Microsoft.CodeAnalysis.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.Collections.Immutable;
using System.Threading;
using System.Threading.Tasks;
 
namespace Microsoft.CodeAnalysis.Snippets.SnippetProviders;
 
internal interface ISnippetProvider
{
    /// <summary>
    /// What we use to identify each SnippetProvider on the completion list
    /// </summary>
    string Identifier { get; }
 
    /// <summary>
    /// What is being displayed for the inline-description of the snippet as well as the title on the tool-tip.
    /// </summary>
    string Description { get; }
 
    /// <summary>
    /// Additional filter texts for snippet completion item
    /// </summary>
    ImmutableArray<string> AdditionalFilterTexts { get; }
 
    /// <summary>
    /// Determines if a snippet can exist at a particular location.
    /// </summary>
    bool IsValidSnippetLocation(SnippetContext context, CancellationToken cancellationToken);
 
    /// <summary>
    /// Gets the Snippet change from the corresponding snippet provider.
    /// </summary>
    Task<SnippetChange> GetSnippetChangeAsync(Document document, int position, CancellationToken cancellationToken);
}