// 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 System.IO { public partial class FileStream : Stream { private void LockInternal(long position, long length) { throw new PlatformNotSupportedException(SR.PlatformNotSupported_OSXFileLocking); } private void UnlockInternal(long position, long length) { throw new PlatformNotSupportedException(SR.PlatformNotSupported_OSXFileLocking); } } }