import { LedgerCustom, LedgerError, LedgerErrorReason } from '../common';
/**
 * Error thrown when the ledger is unable to deliver prepare event to bridge.
 * Used when all attempts defined by retry strategy failed.
 */
export declare class CoreBridgeUnreachable extends LedgerError {
    /**
     *
     * @param detail error detail - message
     * @param custom custom data record to attach
     *               additional info about the error
     */
    constructor(detail: string, custom?: LedgerCustom);
    static REASON: LedgerErrorReason;
}