// 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 Microsoft.CodeAnalysis.ChangeSignature;
 
internal enum CallSiteKind
{
    /// <summary>
    /// Use an explicit value to populate call sites, without forcing
    /// the addition of a named argument.
    /// </summary>
    Value,
 
    /// <summary>
    /// Use an explicit value to populate call sites, and convert 
    /// arguments to named arguments even if not required. Often
    /// useful for literal callsite values like "true" or "null".
    /// </summary>
    ValueWithName,
 
    /// <summary>
    /// Indicates whether a "TODO" should be introduced at callsites
    /// to cause errors that the user can then go visit and fix up.
    /// </summary>
    Todo,
 
    /// <summary>
    /// When an optional parameter is added, passing an argument for
    /// it is not required. This indicates that the corresponding argument 
    /// should be omitted. This often results in subsequent arguments needing
    /// to become named arguments
    /// </summary>
    Omitted,
 
    /// <summary>
    /// Populate each call site with an available variable of a matching types.
    /// If no matching variable is found, this falls back to the 
    /// <see cref="Todo"/> behavior.
    /// </summary>
    Inferred
}