import { NuxtConfig } from '@nuxt/types';
export declare function extendbuild(nuxtConfig: NuxtConfig): {
    plugins: any[];
    babel: {
        plugins: any[];
    };
} & {
    corejs: number;
    extractCSS: boolean;
    cache: boolean;
    splitChunks: {
        layouts: boolean;
        commons: boolean;
        pages: boolean;
    };
    analyze: {
        openAnalyzer: boolean;
        analyzerMode: any;
    };
} & import("@nuxt/types/config/build").NuxtOptionsBuild & Pick<{
    corejs: number;
    extractCSS: boolean;
    cache: boolean;
    splitChunks: {
        layouts: boolean;
        commons: boolean;
        pages: boolean;
    };
    analyze: {
        openAnalyzer: boolean;
        analyzerMode: any;
    };
}, "analyze">;