export declare const QUERY_POWER_BILL_SUMMARY_BY_YEAR = "\n  powerBillSummaryByYear(powerPlantId: $powerPlantId, year: $year) {\n    yearMonth\n    usageLight\n    usageLightFee\n    usageMid\n    usageMidFee\n    usageMax\n    usageMaxFee\n    totalFee\n  }\n";
export declare const QUERY_EXPECTED_SOLAR_SAVING_FEE_BY_DATE = "\n  expectedSolarSavingFeeByDate(powerPlantId: $powerPlantId, startDate: $startDate, endDate: $endDate, groupBy: $groupBy) {\n    date\n    value\n  }\n";
export declare const QUERY_POWER_BILL_SUMMARY_BY_DATE = "\n  powerBillSummaryByDate(powerPlantId: $powerPlantId, startDate: $startDate, endDate: $endDate) {\n    usageLight\n    usageMid\n    usageMax\n    totalUsage\n  }\n";
export declare const getExpectedSolarSavingFeeByDate: (powerPlantId: string, startDate: string, endDate: string, groupBy?: "YYYY" | "YYYY-MM" | "YYYY-MM-DD") => Promise<{
    date: string;
    value: number;
}[]>;
export declare const getPowerBillSummaryByDate: (powerPlantId: string, startDate: string, endDate: string) => Promise<any>;
