import chalk from 'chalk';
import ProgressBar from 'progress';
type LogMethod = (content: string, print?: boolean) => void;
type LogJsonMethod = (content: any) => void;
type LogArrayMethod = (contentArray: string[]) => void;
type LogErrorFunc = (err: any, msg?: string, level?: 'error' | 'critical') => void;
export type LoggerLevels = boolean | 'none' | 'error' | 'warning' | 'info' | 'debug';
export declare class Logger {
    static setLevel(logLevel: LoggerLevels): void;
    static shouldLog: (me: LoggerLevels) => boolean;
    static getDatePrefix: () => string;
    static errorText: chalk.Chalk;
    static warningText: chalk.Chalk;
    static successText: chalk.Chalk;
    static helpText: chalk.Chalk;
    static infoText: chalk.Chalk;
    static standardText: chalk.Chalk;
    static highlightText: chalk.Chalk;
    static boldText: chalk.Chalk;
    static critical: LogMethod;
    static error: LogMethod;
    static warning: LogMethod;
    static success: LogMethod;
    static info: LogMethod;
    static standard: LogMethod;
    static debug: LogMethod;
    static json: LogJsonMethod;
    static mixed: LogArrayMethod;
    static line: () => void;
    static raw: LogMethod;
}
export declare const logError: LogErrorFunc;
export declare const progress: {
    active: boolean;
    done: () => ProgressBar;
    colours: {
        green: string;
        red: string;
    };
    current: ProgressBar;
};
export declare const newProgressBar: (format: string, options: ProgressBar.ProgressBarOptions & {
    output?: boolean;
}) => ProgressBar | undefined;
export declare const completeProgressBar: () => void;
export {};