/**
 * Convert lamports to SOL
 * @param lamports Amount in lamports (1 SOL = 1e9 lamports)
 * @returns Amount in SOL
 */
export declare function lamportsToSol(lamports: string | number): number;
/**
 * Convert SOL to lamports
 * @param sol Amount in SOL
 * @returns Amount in lamports
 */
export declare function solToLamports(sol: string | number): string;