drupal_module__redis_logger/lib/Redis/Logger/Settings.php

<?php
/**
 * @file
 * Contains the Redis\Logger\Settings class.
 */

namespace Redis\Logger;

/**
 * Class Settings contains the default configuration for the Logger logic.
 *
 * @package Redis\Logger
 */
class Settings {
  const PREFIX = "drupal:watchdog:";
  const REDIS_PATTERN = 'drupal:watchdog:*:[01234567]:*';
  const CHANNEL_REGEX = '/drupal:watchdog:([\w]+):[\d]:.*/';
  const SEVERITY_REGEX = '/drupal:watchdog:[\w]+:([\d]):.*/';
  const SCAN_BATCH_SIZE = 100;
  const ENTRIES_PER_PAGE = 50;

  /**
   * @return string[int]
   */
  public static function Levels() {
    return watchdog_severity_levels();
  }

  public static function getChannelRegex() {
    return static::CHANNEL_REGEX;
  }

  public static function getEntriesPerPage($requested = 0) {
    return $requested ?: static::ENTRIES_PER_PAGE;
  }

  public static function getPrefix() {
    return static::PREFIX;
  }

  public static function getRedisPattern() {
    return static::REDIS_PATTERN;
  }

  public static function getScanBatchSize() {
    return static::SCAN_BATCH_SIZE;
  }

  public static function getSeverityRegex() {
    return static::SEVERITY_REGEX;
  }
}