namespace System.Diagnostics
{
    [InstallerType("System.Diagnostics.PerformanceCounterInstaller,System.Configuration.Install, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
    public sealed class PerformanceCounter : Component, ISupportInitialize
    {
        [Obsolete("This field has been deprecated and is not used.  Use machine.config or an application configuration file to set the size of the PerformanceCounter file mapping.")]
        public static int DefaultFileMappingSize;
    }
}