mono/netcore/System.Private.CoreLib/shared/System/Environment.NoRegistry.cs

// 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.Diagnostics;
using System.Collections;
using Microsoft.Win32;

namespace System
{
    public static partial class Environment
    {
        // Systems without the Windows registry pretend that it's always empty.

        private static string GetEnvironmentVariableFromRegistry(string variable, bool fromMachine) => null;

        private static void SetEnvironmentVariableFromRegistry(string variable, string value, bool fromMachine) { }

        private static IDictionary GetEnvironmentVariablesFromRegistry(bool fromMachine) => new Hashtable();
    }
}