import type { ModuleCost, ServiceCost } from "../types.js";
import type { AssumedCredentials } from "../providers/types.js";
export interface CostExplorerData {
    periodStart: string;
    periodEnd: string;
    monthlyCostUsd: number;
    annualCostUsd: number;
    serviceCosts: ServiceCost[];
    moduleCosts: ModuleCost[];
}
export declare function fetchMonthlyCost(profile: string, _region: string, endpointUrl?: string, assumedCredentials?: AssumedCredentials): Promise<CostExplorerData>;
export declare function calculateSavingsPercentage(savings: number, totalBill: number, maxPercentage?: number): number;