import { MeteringData } from "./providers/base.js";
export declare function wait(ms: number): Promise<unknown>;
export declare function meterDataToJson(meterId: string, meteringData: MeteringData[]): string;
export declare function metersDataToJson(metersData: {
    meterId: string;
    meteringData: MeteringData[];
}[]): string;
export declare function meterDataToCsv(meterId: string, meteringData: MeteringData[]): string;
export declare function metersDataToCsv(metersData: {
    meterId: string;
    meteringData: MeteringData[];
}[]): string;
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