/**
* Logger.
*
* @example
* add = logger()
*
* log = add({ name: 'rimraf', rawSpec: 'rimraf@2.5.1' })
* log('resolved', pkgData)
* log('downloading')
* log('downloading', { done: 1, total: 200 })
* log('depnedencies')
* log('error', err)
*/
export default function (): void;