Implement/**

• Storage tier for Free Monitoring. Provides access to storage engine.
  */
  class FreeMonStorage { public: /** * Reads document from disk if it exists. */ static boost::optional<FreeMonStorageState> read(OperationContext* opCtx); /** * Replaces document on disk with contents of document. Creates document if it does not exist. */ static bool replace(OperationContext* opCtx, const FreeMonStorageState& doc); /** * Deletes document on disk if it exists. */ static bool deleteState(OperationContext* opCtx); /** * Reads first document from local.clustermanager. */ static boost::optional<BSONObj> readClusterManagerState(OperationContext* opCtx); }

  ;