import { StockModel } from "../models/stock.model";
import { ShopModel } from "../models/shop.model";
export declare class StockWorker {
    private static sanitizeField;
    private csvToJSON;
    prepareStockForImportFromCsv(csv: string): Promise<StockModel[]>;
    search(query: string, stocks: StockModel[]): Promise<StockModel[]>;
    localStocksHashes(stocks: StockModel[]): Promise<string[]>;
    export(stocks: StockModel[]): Promise<string>;
    sort(stocks: StockModel[]): StockModel[];
    qualifyForCompact(stock: StockModel): Promise<{
        [k: string]: {
            d: string;
            q: number;
            s: string;
            _id: string;
        }[];
    }>;
    compactQuantity(shop: ShopModel): Promise<any>;
    getStockQuantity(stock: StockModel): number;
    positiveStockValue(shop: ShopModel): Promise<number>;
    positiveStockItems(shop: ShopModel): Promise<number>;
    positiveStockRetail(shop: ShopModel): Promise<number>;
    positiveStockWhole(shop: ShopModel): Promise<number>;
    hasProductsChanges(shop: ShopModel, stocks: StockModel[]): Promise<{
        a: number;
    }>;
}