silverstripe-fulltextsearch/code/utils/logging/SearchLogFactory.php

<?php

use Psr\Log;

interface SearchLogFactory {

	/**
	 * Make a logger for a queuedjob
	 *
	 * @param QueuedJob $job
	 * @return Log
	 */
	public function getQueuedJobLogger($job);

	/**
	 * Get an output logger with the given verbosity
	 *
	 * @param string $name
	 * @param bool $verbose
	 * @return Log
	 */
	public function getOutputLogger($name, $verbose);
}