class Aws::Plugins::RegionalEndpoint

def handle_legacy_pseudo_regions(cfg)
  region = cfg.region
  new_region = region.gsub('fips-', '').gsub('-fips', '')
  if region != new_region
    warn("Legacy region #{region} was transformed to #{new_region}."\
         '`use_fips_endpoint` config was set to true.')
    cfg.override_config(:use_fips_endpoint, true)
    cfg.override_config(:region, new_region)
  end
end