<PackageReference Include="NUnit" Version="4.2.2" />

NUnit.Framework.Internal.Execution.IWorkItemDispatcher

public interface IWorkItemDispatcher
An IWorkItemDispatcher handles execution of work items.
namespace NUnit.Framework.Internal.Execution { public interface IWorkItemDispatcher { int LevelOfParallelism { get; } void Start(WorkItem topLevelWorkItem); void Dispatch(WorkItem work); void CancelRun(bool force); } }