src/vs/workbench/browser/actions/workspaceActions.ts/OpenWorkspaceAction/constructor
class OpenWorkspaceAction:	constructor() {
		super({
			id: OpenWorkspaceAction.ID,
			title: { value: localize('openWorkspaceAction', "Open Workspace from File..."), original: 'Open Workspace from File...' },
			category: fileCategory,
			f1: true,
			precondition: EnterMultiRootWorkspaceSupportContext
		});
	}