code: function primePump(path, isUntitledDoc) {
              _postMessageByPass({
                  type            : MessageIds.TERN_PRIME_PUMP_MSG,
                  path            : path,
                  isUntitledDoc   : isUntitledDoc
              });
  
              return addPendingRequest(path, OFFSET_ZERO, MessageIds.TERN_PRIME_PUMP_MSG);
          }
docs: Prime the pump for a fast first lookup.
  
  @param {string} path - full path of file
  @return {jQuery.Promise} - the promise for the request