code: func (s *HTTPServer) parseInternal(resp http.ResponseWriter, req *http.Request, dc *string, b *structs.QueryOptions, resolveProxyToken bool) bool {
  	s.parseDC(req, dc)
  	s.parseTokenInternal(req, &b.Token, resolveProxyToken)
  	s.parseFilter(req, &b.Filter)
  	if s.parseConsistency(resp, req, b) {
  		return true
  	}
  	if parseCacheControl(resp, req, b) {
  		return true
  	}
  	return parseWait(resp, req, b)
  }
docs: // parseInternal is a convenience method for endpoints that need
  // to use both parseWait and parseDC.