import DataLoader = require('dataloader');
export interface PseStock {
    companyId: string;
    listingDate: Date;
    secName: string;
    sector: string;
    securityId: string;
    subSector: string;
    symbol: string;
}
export declare const fetchStocksAll: () => Promise<PseStock[]>;
export declare const stockLoader: DataLoader<string, PseStock | undefined, string>;