anchor.diff:  <% end -%>
   <% elsif @opentsdb_options.is_a?(Array) -%>
   <% @opentsdb_options.each do |option| -%>
  -[opentsdb]
  +[[opentsdb]]
   <% option.keys.sort.each do |key|
      val = @option[key]
     -%>
  
positive.code: <% end -%>
  <% end -%>
  <% else -%>
  [opentsdb]
    enabled = false
  <% end -%>
  
  
negative.code:   wal-partition-flush-delay = "<%= @wal_partition_flush_delay %>"
    wal-dir = "<%= @wal_dir %>"
    wal-logging-enabled = <%= @wal_logging_enabled %>
    trace-logging-enabled = <%= @data_logging_enabled %>
  <% if @wal_ready_series_size -%>
    wal-ready-series-size = <%= @wal_ready_series_size %>
  <% end -%>
  