src/vs/editor/contrib/comment/browser/comment.ts/ToggleCommentLineAction/constructor
class ToggleCommentLineAction:	constructor() {
		super(Type.Toggle, {
			id: 'editor.action.commentLine',
			label: nls.localize('comment.line', "Toggle Line Comment"),
			alias: 'Toggle Line Comment',
			precondition: EditorContextKeys.writable,
			kbOpts: {
				kbExpr: EditorContextKeys.editorTextFocus,
				primary: KeyMod.CtrlCmd | KeyCode.Slash,
				weight: KeybindingWeight.EditorContrib
			},
			menuOpts: {
				menuId: MenuId.MenubarEditMenu,
				group: '5_insert',
				title: nls.localize({ key: 'miToggleLineComment', comment: ['&& denotes a mnemonic'] }, "&&Toggle Line Comment"),
				order: 1
			}
		});
	}