// 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>
    /// Class representing response to semantic tokens messages.
    /// <para>
    /// See the <see href="https://microsoft.github.io/language-server-protocol/specifications/specification-current/#semanticTokens">Language Server Protocol specification</see> for additional information.
    /// </para>
    /// </summary>
    /// <remarks>Since LSP 3.16</remarks>
    internal class SemanticTokens
    {
        /// <summary>
        /// An optional result id.
        /// <para>
        /// If provided and clients support delta updating the client will include the
        /// result id in the next semantic token request. A server can then instead of
        /// computing all semantic tokens again simply send a delta.
        /// </para>
        /// </summary>
        [JsonPropertyName("resultId")]
        [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
        public string? ResultId { get; set; }
 
        /// <summary>
        /// Gets or sets and array containing encoded semantic tokens data.
        /// </summary>
        [JsonPropertyName("data")]
        [JsonRequired]
        public int[] Data { get; set; }
    }
}