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

// Ported from https://github.com/dotnet/runtime/blob/main/src/libraries/System.Private.CoreLib/src/System/Diagnostics/CodeAnalysis/NullableAttributes.cs.

namespace System.Diagnostics.CodeAnalysis
{
    /// <summary>Specifies that the method or property will ensure that the listed field and property members have not-null values.</summary>
    [AttributeUsage(AttributeTargets.Method | AttributeTargets.Property, Inherited = false, AllowMultiple = true)]
    internal sealed class MemberNotNullAttribute : Attribute
    {
        /// <summary>Initializes the attribute with a field or property member.</summary>
        /// <param name="member">
        /// The field or property member that is promised to be not-null.
        /// </param>
        public MemberNotNullAttribute(string member) => Members = new[] { member };

        /// <summary>Initializes the attribute with the list of field and property members.</summary>
        /// <param name="members">
        /// The list of field and property members that are promised to be not-null.
        /// </param>
        public MemberNotNullAttribute(params string[] members) => Members = members;

        /// <summary>Gets field or property member names.</summary>
        public string[] Members { get; }
    }
}
