public ResultRequest build() {
            return new ResultRequest(componentId, mappings, requestedRange, timeFilter, openGroups, resultStyle, fetch);
        }
@param value The fetch mode for the query.
             NONE means fetch no data,
             ALL means fetch all known results,
             CHANGES means fetch only those records not see in previous requests
@return The {@link Builder}, enabling method chaining
stroom-query/stroom-query-api/src/main/java/stroom/query/api/ResultRequest.java