import { FixedX18 } from '../FixedX18';
export declare const LOWER_TICK_STEP = 1n;
export declare const UPPER_TICK_STEP = 16n;
export declare const LOWER_TICK_INDEX: bigint;
export declare const UPPER_TICK_INDEX: bigint;
export declare const UPPER_ABS_TICK_INDEX: bigint;
declare function getRateAtAbsTickImpl(absTickIndex: bigint, tickStep: bigint): FixedX18;
/**
 * Calculate $1.00005 ^ {tickIndex * tickStep} - 1$
 */
export declare let getRateAtAbsTick: typeof getRateAtAbsTickImpl;
export declare function precomputeRateForAllAbsTick(): FixedX18[][];
/**
 * Calculate f(tickIndex, tickStep), where:
 *      f(tickIndex, tickStep) = 1.00005 ^ {tickIndex * tickStep} - 1   for tickIndex >= 0
 *      f(tickIndex, tickStep) = -f(-tickIndex, tickStep)               for tickIndex < 0
 */
export declare function getRateAtTick(tickIndex: bigint, tickStep: bigint): FixedX18;
export declare function isValidAbsTickIndex(absTickIndex: bigint): boolean;
export declare function isValidTickIndex(tickIndex: bigint): boolean;
export declare function isValidTickStep(tickStep: bigint): boolean;
export declare function getRateRange(tickStep: bigint): [FixedX18, FixedX18];
export declare function isValidRate(rate: FixedX18, tickStep: bigint): boolean;
export {};