import numbro from 'numbro';
/**
 * Delay by async/await
 * @param ms - milisenconds
 * @returns
 */
export declare const asyncWait: (ms: number) => Promise<void>;
/**
 * Shorten a long address
 * @param address - The long address
 * @param num - The number of the heading and trailing characters
 * @param delimiter - The delimiter
 * @returns Shortened address
 */
export declare const shortenAddress: (address: string, num?: number, delimiter?: string) => string;
/**
 * Build a explorer url by context including addresses or transaction ids
 * @param addressOrTxId - Address or TxId
 * @returns
 */
export declare const explorer: (addressOrTxId: string) => string;
/**
 * Wrapped Numbro - https://numbrojs.com/old-format.html
 * @param value - value
 * @returns
 */
export declare const numeric: (value?: number | string | bigint) => ReturnType<typeof numbro>;
/**
 * Generate a random color
 * @param seed - Seed
 * @param opacity - Opacity
 * @returns
 */
export declare const randomColor: (seed?: string, opacity?: string | number) => string;
/**
 * Fetch coingecko data with cache
 * @param ticket - Token ticket
 * @returns
 */
export declare const fetchCGK: (ticket?: string) => Promise<{
    icon: any;
    symbol: any;
    name: any;
    address: any;
    rank: any;
    price: any;
    priceChange: any;
    totalVolume: any;
}>;
/**
 * Randomly choose an element in the input array
 * @param arr - Original array of elements
 * @returns
 */
export declare const randChoose: <T>(arr: T[]) => T;
/**
 * Randomize a subarray in the input array with a specific number of elements
 * @param arr - Original array of elements
 * @param num - Number of elements in randomized subarray
 * @returns
 */
export declare const randElements: <T>(arr: T[], num: number) => T[];
export declare const SPL_TOKEN_PROGRAM = "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA";
export declare const SPL_ASSOCIATED_TOKEN_ACCOUNT_PROGRAM = "ATokenGPvbdGVxr1b2hvZbsiqW5xWH25efTNsLJA8knL";
/**
 * Validate Solana address
 * @param address Solana address
 * @returns true/false
 */
export declare const isAddress: (address: string | undefined) => address is string;
export declare const isGuestAddress: (address: string) => boolean;
/**
 * Derive SPL Associated Token Account address
 * @param walletAddress Wallet address
 * @param mintAddress Mint address
 * @returns The SPL ATA address
 */
export declare const deriveAssociatedAddress: (walletAddress: string, mintAddress: string) => Promise<string>;