// 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 Roslyn.LanguageServer.Protocol
{
    using System.Text.Json.Serialization;
 
    /// <summary>
    /// Subclass of <see cref="ReferenceOptions"/> that allows scoping the registration.
    ///
    /// See the <see href="https://microsoft.github.io/language-server-protocol/specifications/specification-current/#referenceRegistrationOptions">Language Server Protocol specification</see> for additional information.
    /// </summary>
    internal class ReferenceRegistrationOptions : ReferenceOptions, ITextDocumentRegistrationOptions
    {
        /// <summary>
        /// A document selector to identify the scope of the registration. If set to
        /// null the document selector provided on the client side will be used.
        /// </summary>
        [JsonPropertyName("documentSelector")]
        [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
        public DocumentFilter[]? DocumentSelector { get; set; }
    }
}