record_entity_expansion!

# File activesupport/lib/active_support/core_ext/rexml.rb, line 31
        def record_entity_expansion!
          @number_of_expansions ||= 0
          @number_of_expansions += 1
          if @number_of_expansions > @@entity_expansion_limit
            raise "Number of entity expansions exceeded, processing aborted."
          end
        end