anchor.diff:  
   
   --
  -Search Suggestions
  +Suggestions
   --
   Get suggestions for user query.
   
  
positive.code:         "suggestions": {
              "caption": "Query Completions",
              "options": [
                  "<strong>Hiberna</strong>te",
                  "<strong>Hiberna</strong>te query",
                  "<strong>Hiberna</strong>te session"
              ]
          },
          "filters": {
              "caption": "Filters",
              "options": [
                  "<strong>Add</strong> project filter for <strong>Hibernate</strong>",
                  "<strong>Add</strong> project filter for <strong>Infinispan</strong>",
                  "<strong>Search</strong> project <strong>Hibernate</strong> only"
              ]
          },
          "mails": {
              "caption": "Mails",
              "options": [
                  "<strong>Add</strong> some Mails filter",
                  "Do some other fancy thing here",
                  "Or do something else"
              ]
          }
      },
      "model" : {
          "search": { "search": { "query": "${query_string}" } },
          "suggestions" : [
              { "suggestion": { "value": "Hibernate" },         "search": { "query": "Hibernate" } },
              { "suggestion": { "value": "Hibernate query" },   "search": { "query": "Hibernate query" } },
              { "suggestion": { "value": "Hibernate session" }, "search": { "query": "Hibernate session" } }
          ],
          "filters": [
              { "filter_add": [ "Hibernate" ] },
              { "filter_add": [ "Infinispan" ] },
              { "filter": [ "Hibernate" ] }
          ],
          "mails": [
              {},
              {},
              {}
          ]
      }
  }
  
negative.code:             { "filter": [ "Hibernate" ] }
          ],
          "mails": [
              { "filter_add": [ "foo" ] },
              {},
              {}
          ]
  