import type { UmmG } from '../../apis/types/cmr/umm-g.js';
export default class DataAccessService {
    /**
     * Calculates estimated total granule size from sample granules.
     * Note: This uses date sampling from CollectionController's sampling query.
     */
    getEstimatedGranuleSize(firstGranule?: UmmG, lastGranule?: UmmG, totalGranules?: number): string | null;
    calculateGranuleSize(granule: UmmG, unit: 'MB' | 'GB' | 'TB' | 'PB'): number;
    formatGranuleSize(sizeInMB: number): string;
    calculateMeanGranuleSize(granules: UmmG[]): number;
    formatAvailableRangeDate(dateStr: Date | string | null, isSubDaily: boolean): string;
}