docs: public static MemoryType getMemoryType(Configuration configuration) {
  		// check whether we use heap or off-heap memory
  		final MemoryType memType;
  		if (configuration.getBoolean(TaskManagerOptions.MEMORY_OFF_HEAP)) {
  			memType = MemoryType.OFF_HEAP;
  		} else {
  			memType = MemoryType.HEAP;
  		}
  		return memType;
  	}