import { TAddress } from '../models/TAddress';
import { ClientStatus } from './model/ClientStatus';
interface IClientCallLog {
    url: string;
    time: number;
    error?: Error;
    status: ClientStatus;
}
export declare enum ErrorCode {
    NO_LIVE_CLIENT = "NO_LIVE_CLIENT",
    CALL = "CALL"
}
declare class ClientPoolStatsHandler {
    calls: IClientCallLog[];
    addCall(log: Partial<IClientCallLog>): void;
    log(): void;
}
export declare class ClientPoolTraceError extends Error {
    static create($error: Error, trace: ClientPoolTrace, code: ErrorCode): {
        code: ErrorCode;
        name: string;
        stack: string;
        message: string;
        data: any;
    };
}
export declare class ClientPoolTrace {
    action: string;
    calls: IClientCallLog[];
    onComplete(log: any): void;
    toString(): string;
    static createContractCall(address: TAddress, methodName: string, ...args: any[]): ClientPoolTrace;
}
export declare const ClientPoolStats: ClientPoolStatsHandler;
export {};