@vuepress-reco/style-default/lib/node/pages.d.ts

It is default type of vuepress-theme-reco.

export declare const pages: ({
    type: string;
    frontmatterKey: string;
    path: string;
    layout: string;
    pagination: number;
} | {
    path: string;
    layout: string;
    type?: undefined;
    frontmatterKey?: undefined;
    pagination?: undefined;
})[];