export declare const shortenAddress: (address: string | undefined, start?: number, end?: number) => string; export declare const longAddress: (address: string | null | undefined) => string; export declare const intRandom: (min: number, max: number) => number; export declare function convertTimestampToDateText(unixTimestamp: number): string; export declare function secondsToMinutes(seconds: number): string; export declare const capitalizeFirstLetter: (str: string | undefined) => string; export declare const md5: (input: string) => string; export declare const isEmpty: (data: string | object) => boolean; export declare function findAndModifyLongestValue(obj: Record): Record; export declare const filterDeviceIDQuote: (did: string) => string; export declare const shortEmailAddress: (mail: string) => string; export declare function effectiveBalance(balance: any, length?: number, decimalSubLen?: number, decimalFlag?: boolean): string | number; export declare const getDollarValue: (balance: string, price: string) => string; export declare function remove0x(str: string): string; export declare const checkAddress: (addr: string | undefined | null) => boolean; export declare const getUrlSwapParams: (startAppParams: string | undefined) => string; export declare const getFontSize: ({ maxFontSize, minFontSize, text, subFontSize, subLen, }: { maxFontSize?: number | undefined; minFontSize?: number | undefined; text?: string | undefined; subFontSize?: number | undefined; subLen?: number | undefined; }) => number;