/**
 * Multi-range bonding curve math — mirrors the Rust DBC program's curve.rs.
 * Supports up to 16 active price ranges (20 in config storage).
 */
import type { CurvePoint, SwapQuote } from "../types/index.js";
export interface CurveRange {
    sqrtPriceLower: bigint;
    sqrtPriceUpper: bigint;
    liquidity: bigint;
}
/** Build ordered ranges from PoolConfig curve points + start price */
export declare function buildRanges(sqrtStartPrice: bigint, curvePoints: CurvePoint[]): CurveRange[];
/**
 * Quote an exact-in swap (buy: quote → base).
 * Iterates through ranges until amountIn is consumed.
 */
export declare function quoteExactInBuy(sqrtPrice: bigint, ranges: CurveRange[], amountIn: bigint, feeNumerator: bigint): SwapQuote;
/**
 * Quote an exact-in swap (sell: base → quote).
 */
export declare function quoteExactInSell(sqrtPrice: bigint, ranges: CurveRange[], amountIn: bigint, feeNumerator: bigint): SwapQuote;
/** Check if current price has reached the migration threshold */
export declare function hasReachedMigration(quoteReserve: bigint, migrationQuoteThreshold: bigint): boolean;
/** Clamp sqrt_price to protocol bounds */
export declare function clampSqrtPrice(sqrtPrice: bigint): bigint;
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