static @Pure @NonNull Executor nonSchedulingExecutor() {
        return ExecutionCoordinatorImpl.NON_SCHEDULING_EXECUTOR;
    }
Returns the non-scheduling executor. This is an executor that simply invokes {@link Runnable#run()} immediately on the
calling thread of {@link Executor#execute(Runnable)}.

@return the non-scheduling executor
cloud-core/src/main/java/org/incendo/cloud/execution/ExecutionCoordinator.java