import { Backend, LogEvent } from '../Logger';
import { LogLevels } from '../logLevels';
export interface WindowWithConsoleLogLevel extends Window {
    PROCORE?: {
        CONSOLE_LOG_LEVEL?: string;
    };
}
export declare function padTime(n: number): string;
export declare function formatTimestamp(date: Date): string;
export declare function prefix(event: LogEvent): string;
export declare type ConsoleBackendConsole = Pick<Console, 'debug' | 'error' | 'info' | 'warn'>;
export interface ConsoleBackendConfiguration {
    level?: LogLevels;
    console?: ConsoleBackendConsole;
    prefix?: (event: LogEvent) => string;
}
export declare class ConsoleBackend implements Backend {
    private level;
    private console;
    private prefix;
    constructor(opts?: ConsoleBackendConfiguration);
    private isOutOfRange;
    private getLogger;
    private getLogLevel;
    log(event: LogEvent): Promise<void>;
}