/**
 * Generates the [HOUSE OVERLAYS] section for synastry.
 * @param overlays The pre-calculated house overlay data.
 * @param chart1Name The name of the first chart.
 * @param chart2Name The name of the second chart.
 * @returns An array of strings for the output.
 */
export declare function generateHouseOverlaysOutput(overlays: {
    chart1InChart2Houses: {
        [key: string]: number;
    };
    chart2InChart1Houses: {
        [key: string]: number;
    };
}, chart1Name: string, chart2Name: string): string[];