anchor.diff:  
   ===== exclude_files
   
  -A list of regular expressions to match the files to be ignored. By default no file is excluded.
  +A list of regular expressions to match the files that you want Filebeat to ignore. By default no files are excluded.
  +
  +The following example configures Filebeat to ignore all the files that have a `gz` extension:
   
   [source,yaml]
   -------------------------------------------------------------------------------------
     exclude_files: [".gz$"]
   -------------------------------------------------------------------------------------
  -To ignore all the files with the `gz` extension.
   
   [[configuration-fields]]
   ===== fields
  
positive.code: 
  ===== exclude_lines
  
  A list of regular expressions to match the lines that are dropped. It drops the lines that are matching any regular
  expression from the list. By default, no lines are dropped.
  
  [source,yaml]
  -------------------------------------------------------------------------------------
  exclude_lines: ["^DBG"]
  -------------------------------------------------------------------------------------
  To exclude the lines starting with "DBG".
  
  ===== include_lines
  
  A list of regular expressions to match the lines that are exported. It exports only the lines that are matching any regular expression from the list. By default, all lines are exported.
  
  [source,yaml]
  -------------------------------------------------------------------------------------
  include_lines: ["^ERR", "^WARN"]
  -------------------------------------------------------------------------------------
  To include only the lines starting with "ERR" or "WARN".
  
  Note::
  If both `include_lines` and `exclude_lines` are defined, then include_lines is called first. To export all the apache logs except the DBGs, then you can use:
  
  [source,yaml]
  -------------------------------------------------------------------------------------
  
negative.code: 
  ===== config_dir
  
  The full path to the directory that contains additional prospector configuration files.
  Each configuration file must end with `.yml`. Each config file must also specify the full Filebeat
  config hierarchy even though only the prospector part of the file is processed. All global
  options, such as `spool_size`, are ignored.
  