/// <summary>
/// Adds impersonation support to authorization.
/// </summary>
/// <remarks>
/// Allows the application user to impersonate another user type.
/// </remarks>
public static IIdentityServerBuilder AddImpersonationSupport(this IIdentityServerBuilder builder)
{
builder.Services.AddLogging();
builder.AddCustomAuthorizeRequestValidator <ImpersonationAuthorizeRequestValidator>();
return(builder);
}