// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

namespace Microsoft.AspNetCore.Http.Features
{
    /// <summary>
    /// This feature provides access to request server variables set.
    /// </summary>
    public interface IServerVariablesFeature
    {
        /// <summary>
        /// Gets or sets the value of a server variable for the current request.
        /// </summary>
        /// <param name="variableName">The variable name</param>
        /// <returns>May return null or empty if the variable does not exist or is not set.</returns>
        string? this[string variableName] { get; set; }
    }
}
