# File lib/faraday/connection.rb, line 271
    def build_exclusive_url(url, params = nil)
      url = nil if url.respond_to?(:empty?) and url.empty?
      base = url_prefix
      if url and base.path and base.path !~ /\/$/
        base = base.dup
        base.path = base.path + '/'  # ensure trailing slash
      end
      uri = url ? base + url : base
      uri.query = params.to_query if params
      uri.query = nil if uri.query and uri.query.empty?
      uri
    end