DynamoVisualProgramming.DynamoServices by Autodesk

<PackageReference Include="DynamoVisualProgramming.DynamoServices" Version="3.4.0-beta6600" />

 ExtensionStartupParams

public struct ExtensionStartupParams
An options structure used when calling IExtensionApplication.Startup
namespace Autodesk.DesignScript.Interfaces { public struct ExtensionStartupParams { public bool DisableADP { get; set; } } }