export interface RPCLogOptions {
    severity: 'debug' | 'info' | 'warning' | 'error' | 'fatal';
}
export interface RPCLogger {
    log(message: string, options: RPCLogOptions): any;
}
export declare class RPCConsoleLogger implements RPCLogger {
    log(message: string, options: {
        severity: 'debug' | 'info' | 'warning' | 'error' | 'fatal';
    }): void;
}