src/vs/workbench/browser/actions/workspaceActions.ts/CloseWorkspaceAction/constructor
class CloseWorkspaceAction:	constructor() {
		super({
			id: CloseWorkspaceAction.ID,
			title: { value: localize('closeWorkspace', "Close Workspace"), original: 'Close Workspace' },
			category: workspacesCategory,
			f1: true,
			keybinding: {
				weight: KeybindingWeight.WorkbenchContrib,
				when: EmptyWorkspaceSupportContext,
				primary: KeyChord(KeyMod.CtrlCmd | KeyCode.KEY_K, KeyCode.KEY_F)
			}
		});
	}