/** Number of lamports per SOL */
export declare const LAMPORTS_PER_SOL = 1000000000;
/** Maximum representable SOL amount derived from {@link MAX_LAMPORTS} */
export declare const MAX_SOL: number;
/** Default precision used when stringifying SOL balances */
export declare const DEFAULT_SOL_STRING_PRECISION = 9;
/**
 * Convert lamports to SOL as a JavaScript number.
 */
export declare function lamportsToSol(lamports: number | bigint): number;
/**
 * Convert SOL to lamports, clamping to the maximum u64 range.
 */
export declare function solToLamports(sol: number): number;
/**
 * Convert SOL to lamports as bigint, preserving the full range.
 */
export declare function solToLamportsBigInt(sol: number): bigint;
/**
 * Convert lamports to a formatted SOL string while trimming trailing zeros.
 */
export declare function lamportsToSolString(lamports: number | bigint, precision?: number): string;
/**
 * Validate lamport amounts fit within the Solana u64 range.
 */
export declare function isValidLamports(lamports: number | bigint): boolean;
/**
 * Validate SOL amounts are within the representable range.
 */
export declare function isValidSol(sol: number): boolean;