anchor.diff:  ==== Bool Query 
   
   Boolean operators (AND, OR, NOT) allow combining multiple sub queries through logic operators.
  -Note: Note that operators such as AND, OR and NOT must be CAPITALIZED. See http://lucene.apache.org/core/3_5_0/queryparsersyntax.html[Lucene query syntax] for more details about the boolean operators.
  +Note: Operators such as AND, OR and NOT must be CAPITALIZED. See http://lucene.apache.org/core/3_5_0/queryparsersyntax.html[Lucene query syntax] for more details about the boolean operators.
   
   To search for all transactions except MySQL transactions:
   
  
positive.code: "Cannot change the info of a user"
  ------------------------------------
  
  Note: Note that the double quotes are mandatory here to search for the exact
  string. Without any quotes, the search would match "Cannot" OR "change" OR
  "the" OR "info" OR "a" OR "user".
  
  To search for all transactions with the "chunked" encoding:
  
  
negative.code: -------------------------
  
  See
  http://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-regexp-query.html[Elasticsearch regexp query]
  for more details about the syntax.
  
  
  