src/vs/workbench/api/browser/mainThreadNotebookKernels.ts/MainThreadNotebookKernels/$updateNotebookPriority
class MainThreadNotebookKernels:	$updateNotebookPriority(handle: number, notebook: UriComponents, value: number | undefined): void {
		const tuple = this._kernels.get(handle);
		if (tuple) {
			this._notebookKernelService.updateKernelNotebookAffinity(tuple[0], URI.revive(notebook), value);
		}
	}