import BN from "bn.js";
/**
 * WAD Arithmetic Module
 *
 * Fixed-point arithmetic with 10^18 precision.
 * All functions operate on BN values to avoid JavaScript's 53-bit limitation.
 */
/**
 * Convert lamports (9 decimals) to WAD format (18 decimals)
 */
export declare function toWad(lamports: BN): BN;
/**
 * Convert WAD to lamports (floor rounding)
 */
export declare function fromWadFloor(wad: BN): BN;
/**
 * Convert WAD to lamports (ceiling rounding)
 */
export declare function fromWadCeil(wad: BN): BN;
/**
 * Multiply two WAD values: (a * b) / WAD
 */
export declare function multiplyWad(a: BN, b: BN): BN;
/**
 * Divide two WAD values: (a * WAD) / b
 */
export declare function divideWad(a: BN, b: BN): BN;
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