class Github::ParamsHash

def options
  opts    = fetch('options', {})
  headers = fetch('headers', {})
  if value = accept
    headers[:accept] = value
  end
  if self['content_type']
    headers[:content_type] = self['content_type']
  end
  opts[:raw]     = key?('raw') ? self['raw'] : false
  opts[:headers] = headers unless headers.empty?
  opts
end