# File lib/twitter/headers.rb, line 19
    def request_headers
      bearer_token_request = @options.delete(:bearer_token_request)
      headers = {}
      if bearer_token_request
        headers[:accept]        = '*/*'
        headers[:authorization] = bearer_token_credentials_auth_header
        headers[:content_type]  = 'application/x-www-form-urlencoded; charset=UTF-8'
      else
        headers[:authorization] = auth_header
      end
      headers
    end