src/vs/workbench/contrib/notebook/browser/notebookEditorExtensions.ts/getSomeEditorContributions
	export function getSomeEditorContributions(ids: string[]): INotebookEditorContributionDescription[] {
		return EditorContributionRegistry.INSTANCE.getEditorContributions().filter(c => ids.indexOf(c.id) >= 0);
	}