module Dependabot::FileFetchers

def self.for_package_manager(package_manager)
  file_fetcher = @file_fetchers[package_manager]
  return file_fetcher if file_fetcher
  raise "Unsupported package_manager #{package_manager}"
end

def self.register(package_manager, file_fetcher)
  @file_fetchers[package_manager] = file_fetcher
end