| GetByRankRange(String, Int32, MapReturnType, CTX) | Create map get by rank range operation. Server selects map items starting at specified rank to the last ranked item and returns selected data specified by returnType. |
| GetByRankRange(String, Int32, Int32, MapReturnType, CTX) | Create map get by rank range operation. Server selects "count" map items starting at specified rank and returns selected data specified by returnType. |