// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
namespace System.Text.Json
{
    /// <summary>
    /// This enum captures the tri-state return value when trying to read the
    /// next JSON token.
    /// </summary>
    internal enum ConsumeTokenResult : byte
    {
        /// <summary>
        /// Reached a valid end of token and hence no action is required.
        /// </summary>
        Success,
        /// <summary>
        /// Observed incomplete data but progressed state partially in looking ahead.
        /// Return false and roll-back to a previously saved state.
        /// </summary>
        NotEnoughDataRollBackState,
        /// <summary>
        /// Observed incomplete data but no change was made to the state.
        /// Return false, but do not roll-back anything since nothing changed.
        /// </summary>
        IncompleteNoRollBackNecessary,
    }
}