import { VALID_ENERGY_RANGES } from '../energy.constants';
export type EnergyRange = (typeof VALID_ENERGY_RANGES)[number];
export interface DateRange {
    start: Date;
    end: Date;
}
export declare function normalizeEnergyRange(range?: string): EnergyRange;
export declare function getLocalMidnight(date: Date): Date;
export declare function getLocalMidnightDaysAgo(date: Date, daysAgo: number): Date;
export declare function resolvePreviousEnergyRange(range?: string): DateRange;
export declare function resolveEnergyRange(range?: string): DateRange;