declare const _default: {
    presets: (string | (string | {
        loose: boolean;
        modules: boolean;
    })[])[];
    plugins: (string | (string | {
        legacy: boolean;
    })[] | (string | {
        loose: boolean;
    })[])[];
    env: {
        test: {
            plugins: string[];
        };
    };
};
export default _default;
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