class RuboCop::Config

def make_excludes_absolute
  return unless self['AllCops'] && self['AllCops']['Exclude']
  self['AllCops']['Exclude'].map! do |exclude_elem|
    if exclude_elem.is_a?(String) && !exclude_elem.start_with?('/')
      File.join(base_dir_for_path_parameters, exclude_elem)
    else
      exclude_elem
    end
  end
end