export type PriceGuardState = {
    maxPriceChangeBps: bigint;
    minUpdateIntervalS: bigint;
    priceAnchor: bigint;
    smoothedPriceAnchor: bigint;
    anchorTimestampS: bigint;
};
export declare const clampToBand: (anchor: bigint, price: bigint, bandBps: bigint) => bigint;
export type StoredPrices = {
    price: bigint;
    smoothedPrice: bigint;
};
export declare const nextAnchor: (anchor: bigint, stored: bigint, incoming: bigint, bandBps: bigint) => bigint;
export declare const applyPriceGuard: (price: bigint, smoothedPrice: bigint, guard: PriceGuardState, nowS: bigint, stored: StoredPrices | null) => {
    price: bigint;
    smoothedPrice: bigint;
    wasClamped: boolean;
};
export declare const decodePriceGuardField: (content: Uint8Array) => PriceGuardState;
export declare const priceGuardFieldId: (reserveId: string, typeOriginPackageId?: string) => string;