You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: known_locations.rb
    path of file: ./repos/wpscan/app/finders/themes
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

module WPScan
  module Finders
    module Themes
      # Known Locations Themes Finder
      class KnownLocations < CM
    
        def target_urls(opts = {})
          slugs = opts[:list] || DB::Themes.vulnerable_slugs
          urls  = {}

          slugs.each do |slug|
            urls[target.theme_url(slug)] = slug
          end

          urls
        end