import { MiddlewareItem } from '../model';
import { RpcRequest } from '../../interfaces';
interface Logger {
    log: (message?: any, ...optionalParams: any[]) => void;
    error: (message?: any, ...optionalParams: any[]) => void;
}
interface LoggingOptions {
    logger: Logger;
    pred: (payload: RpcRequest) => boolean;
}
export declare function loggingMiddleware(options: Partial<LoggingOptions>): MiddlewareItem;
export {};