import { FixedPointNumber } from "./FixedPointNumber";
import { Ray } from "./Ray";
export declare const RAY: Ray;
export declare const HALF_RAY: Ray;
export declare const WAD_RAY_RATIO: FixedPointNumber;
export declare const HALF_WAD_RAY_RATIO: FixedPointNumber;
export declare function rayMul(a: FixedPointNumber, b: FixedPointNumber): FixedPointNumber;
export declare function rayDiv(a: FixedPointNumber, b: FixedPointNumber): FixedPointNumber;
export declare function rayToWad(a: FixedPointNumber): FixedPointNumber;
export declare function wadToRay(a: FixedPointNumber): FixedPointNumber;
export declare function rayPow(a: FixedPointNumber, p: bigint): FixedPointNumber;
/**
 * RayPow is slow and gas intensive therefore in v2 we switched to binomial approximation on the contract level.
 * While the results ar not exact to the last decimal, they are close enough.
 */
export declare function binomialApproximatedRayPow(a: FixedPointNumber, p: number): FixedPointNumber;