src/vs/workbench/browser/parts/editor/editorCommands.ts/registerFocusEditorGroupWihoutWrapCommands
function registerFocusEditorGroupWihoutWrapCommands(): void {

	const commands = [
		{
			id: FOCUS_LEFT_GROUP_WITHOUT_WRAP_COMMAND_ID,
			direction: GroupDirection.LEFT
		},
		{
			id: FOCUS_RIGHT_GROUP_WITHOUT_WRAP_COMMAND_ID,
			direction: GroupDirection.RIGHT
		},
		{
			id: FOCUS_ABOVE_GROUP_WITHOUT_WRAP_COMMAND_ID,
			direction: GroupDirection.UP,
		},
		{
			id: FOCUS_BELOW_GROUP_WITHOUT_WRAP_COMMAND_ID,
			direction: GroupDirection.DOWN
		}
	];

	for (const command of commands) {
		CommandsRegistry.registerCommand(command.id, async (accessor: ServicesAccessor) => {
			const editorGroupService = accessor.get(IEditorGroupsService);

			const group = editorGroupService.findGroup({ direction: command.direction }, editorGroupService.activeGroup, false);
			if (group) {
				group.focus();
			}
		});
	}
}