// 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 {
    
    using System;
    using System.Diagnostics.Contracts;

    [System.Runtime.InteropServices.ComVisible(true)]
    public interface IFormattable
    {
        [Pure]
        String ToString(String format, IFormatProvider formatProvider);
    }
}