import { Commitment } from '@solana/web3.js';
export type ChainClockProgress = {
    blockHeight?: number;
    slot?: number;
    ts?: number;
};
export type ChainClockUpdateProps = {
    commitment: Commitment;
} & ChainClockProgress;
export type ChainClockState = Map<Commitment, ChainClockProgress>;
export type ChainClickInitialisationProps = ChainClockUpdateProps[];
export declare class ChainClock {
    private _state;
    constructor(props: ChainClickInitialisationProps);
    update(props: ChainClockUpdateProps): void;
    getState(commitment: Commitment): ChainClockProgress;
}