import { NzSafeAny } from 'ng-zorro-antd/core/types';
export declare type ILogLevel = 'error' | 'warn' | 'info';
interface ILoggerOptions {
    devOnly?: boolean;
    onceOnly?: boolean;
    withStack?: boolean;
    prefix?: string;
}
export declare class Logger {
    record: Record<string, boolean>;
    devOnly: boolean;
    onceOnly: boolean;
    withStack: boolean;
    prefix: string;
    constructor(options?: ILoggerOptions);
    private notRecorded;
    private log;
    error(...args: NzSafeAny[]): void;
    warn(...args: NzSafeAny[]): void;
    info(...args: NzSafeAny[]): void;
}
export {};