import { Milliseconds } from '../types';
import { AmountFloat } from './Amount';
import { PriceFloat } from './Price';
/** A bid or ask quote. */
export declare type Quote = [PriceFloat, AmountFloat];
export interface OrderBook {
    /** A list of ask price, amount pairs. */
    asks: Quote[];
    /** A list of bid price, amount pairs. */
    bids: Quote[];
    /** Freshness timestamp. */
    timestamp: Milliseconds;
    /** A random or pseudo-random number issued in an authentication protocol to ensure that old communications cannot be reused in replay attacks. */
    nonce: number;
}