import { Gateway } from '../types/gateway';
import { RestFetch } from './restFetch';
import { PlanMeteredFeatureNumericDetails, PlanConfigurableFeatureEdge } from '../types/graphql';
interface PlanCostOptions {
    planID: string;
    features: Gateway.FeatureMap;
    init: RequestInit;
}
export interface PricingTier {
    cost: number;
    from: number;
    to: number;
    per: number;
    unit: string;
}
export declare const NUMBER_FEATURE_COIN = 10000000;
/**
 * Convert number feature costs to float cents (NOT DOLLARS)
 */
export declare function featureCost(number: number): number;
/**
 * For really, really, really cheap features that would normally display something awful like
 * “$0.000002345 / unit”, this figures out a sane number to display something like “$0.02 per 4,000 units”.
 */
export declare function oneCent(number: number): number;
/**
 * Calculate pricing tiers for metered features
 */
export declare function pricingTiers(numericDetails: PlanMeteredFeatureNumericDetails): PricingTier[];
interface MeteredDisplayCost {
    cost: string;
    per?: string;
}
/**
 * User-friendly display for a measurable number feature value
 */
export declare function meteredFeatureDisplayValue(numericDetails: PlanMeteredFeatureNumericDetails): MeteredDisplayCost;
/**
 * Fetch cost from our API
 */
export declare function planCost(restFetch: RestFetch, { planID, features, init }: PlanCostOptions): Promise<Gateway.Price | undefined>;
/**
 * Get default feature map for configurableFeatures
 */
export declare function configurableFeatureDefaults(configurableFeatures: PlanConfigurableFeatureEdge[]): Gateway.FeatureMap;
export {};