export = PlaceholderProductLoader;
declare class PlaceholderProductLoader {
    private connection;
    private db;
    static $inject: string[];
    constructor(connection: any);
    getTotalProductCost(productIds: number[], callback: (e: Error, totalCost?: number) => void): void;
    getName(productId: number, callback: (e: Error, productName?: string) => void): void;
    getPrice(productId: number, callback: (e: Error, price?: number) => void): void;
    getPriceChange(productId: number, callback: (e: Error, priceChange?: number) => void): void;
    getPackageOption(productId: number, callback: (e: Error, productNames?: string[]) => void): void;
    getSku(productId: number, callback: (e: Error, productSku?: number) => void): void;
    getMarginRate(productId: number, callback: (e: Error, marginRate?: number) => void): void;
    getCustomersForProduct(productId: number, callback: (e: Error, customers?: {
        firstname: string;
        lastname: string;
        email: string;
    }[]) => void): void;
    getConversionRate(productId: number, callback: (e: Error, conversionRate?: number) => void): void;
    getDiscountValue(productId: number, callback: (e: Error, discount?: number) => void): void;
    getStockingTime(productId: number, callback: (e: Error, stockingTime?: number) => void): void;
    getCategoryName(productId: number, callback: (e: Error, categoryName?: string) => void): void;
    getCommercialChannels(productId: number, callback: (e: Error, channelNames?: string[]) => void): void;
    getPageviews(productId: number, callback: (e: Error, pageviews?: number) => void): void;
    getEntrances(productId: number, callback: (e: Error, pageviews?: number) => void): void;
    getRevenueQuantity(productId: number, callback: (e: Error, pageviews?: number) => void): void;
    getRevenues(productId: number, callback: (e: Error, pageviews?: number) => void): void;
}