import { Logger } from 'ts-log';
export declare class NgxLogger implements Logger {
    _brand: string;
    brand: any;
    cli(title: string, message: any): void;
    debug(title: string, message: any): void;
    error(title: string, message: any): void;
    info(title: string, message: any): void;
    separator(): void;
    trace(title: string, message: any): void;
    warn(title: string, message: any): void;
}
export declare class NgxFileLogger implements Logger {
    private readonly fd;
    constructor(filename: string);
    trace(message?: any, ...optionalParams: any[]): void;
    debug(message?: any, ...optionalParams: any[]): void;
    info(message?: any, ...optionalParams: any[]): void;
    warn(message?: any, ...optionalParams: any[]): void;
    error(message?: any, ...optionalParams: any[]): void;
    private append;
}