import { OracleObservation, OracleObservationCandidates, PoolState } from '../../uniswap-v3/types';
import { DeepReadonly } from 'ts-essentials';
export declare class Oracle {
    static transform(state: DeepReadonly<PoolState>, last: OracleObservation, blockTimestamp: bigint, tick: bigint, liquidity: bigint): OracleObservation;
    static write(state: PoolState, index: number, blockTimestamp: bigint, tick: bigint, liquidity: bigint, cardinality: number, cardinalityNext: number): [number, number];
    static lte(time: bigint, a: bigint, b: bigint): boolean;
    static binarySearch(state: DeepReadonly<PoolState>, time: bigint, target: bigint, index: number, cardinality: number): OracleObservationCandidates;
    static getSurroundingObservations(state: DeepReadonly<PoolState>, time: bigint, target: bigint, tick: bigint, index: number, liquidity: bigint, cardinality: number): OracleObservationCandidates;
    static observeSingle(state: DeepReadonly<PoolState>, time: bigint, secondsAgo: bigint, tick: bigint, index: number, liquidity: bigint, cardinality: number): [bigint, bigint];
}