import { SupportedChainId } from './chainIds';
/**
 * Median time (in seconds) for a chain's block to be produced.
 * Note: chains are listed in alphabetical order to make it easier to add new chains.
 */
export declare const MEDIAN_TIME_BLOCK: Record<SupportedChainId, number>;
/**
 * Median time (in seconds) for a SynapseBridge transaction to be completed,
 * when the transaction is sent from a given chain.
 */
export declare const MEDIAN_TIME_BRIDGE: {
    1: number;
    10: number;
    25: number;
    56: number;
    137: number;
    250: number;
    288: number;
    1088: number;
    1284: number;
    1285: number;
    2000: number;
    7700: number;
    8217: number;
    8453: number;
    42161: number;
    43114: number;
    53935: number;
    81457: number;
    1313161554: number;
    1666600000: number;
};
/**
 * Median time (in seconds) for a SynapseCCTP transaction to be completed,
 * when the transaction is sent from a given chain.
 */
export declare const MEDIAN_TIME_CCTP: {
    1: number;
    10: number;
    8453: number;
    42161: number;
    43114: number;
    137: number;
};
/**
 * Median time (in seconds) for a SynapseRFQ transaction to be completed,
 * when the transaction doesn't involve Ethereum Mainnet.
 */
export declare const MEDIAN_TIME_RFQ = 10;
/**
 * Median time (in seconds) for a SynapseRFQ transaction to be completed,
 * when the transaction involves Ethereum Mainnet.
 */
export declare const MEDIAN_TIME_RFQ_ETHEREUM = 20;