import { AgreementCode, EtfFilterInverseOptions, EtfFilterLeverageOptions, GlobalGroupCode, IndustrySector } from '../constants/lookups'; import { CryptoPair } from '../types'; export declare function titleCase(value: string): string; export declare function parseOptionSymbol(optionSymbol: string): { symbol: string; expirationDate: Date; call: boolean; price: number; } | null; export declare const getSectorByIndustryCode: (code: GlobalGroupCode) => IndustrySector; export declare function parseCryptoSymbol(symbol: string | string[], separator?: string): CryptoPair; export declare const getLeverageType: (id: EtfFilterLeverageOptions) => "All Leverage ETFs" | "Any" | "Leverage x2" | "Leverage x3" | "No Leverage"; export declare const getInverseType: (id: EtfFilterInverseOptions) => "Any" | "Inverse ETFs" | "Long ETFs"; export declare const getAgreementName: (code: AgreementCode) => "NYSE/AMEX" | "Dow Jones Index" | "Options" | "NASDAQ" | "S&P 500" | "Canada" | "CBOE Global";