export declare let loggers: any[];
/**
 * Log a message, with optional metadata.  The message can be logged to a number of locations (stdio, files, etc) as configured via config/logger.js
 * The default log levels are: `7=debug` `6=info` `5=notice` `4=warning` `3=error` `2=crit` `1=alert` `0=emerg`
 * Learn more at https://github.com/winstonjs/winston
 *
 * the most basic use.  Will assume 'info' as the severity: `log('hello')`
 * custom severity: `log('OH NO!', 'warning')`
 * custom severity with a metadata object: `log('OH NO, something went wrong', 'warning', { error: new Error('things are busted') })`
 */
export declare function log(message: string, severity?: string, data?: any): void;