Statistics

RootStats, accessed via FMTCRoot.stats, allows access to cached statistics, as well as listing of all existing stores, and the watching over changes in multiple/all stores and the bulk download recovery system.

RootStats class - flutter_map_tile_caching library - Dart API

final stats = FMTCRoot.stats;

await stats.storesAvailable; // List all the available/existing stores
await stats.realSize; // Retrieve the actual total size of the database in KiBs
await stats.size; // Retrieve the total number of KiBs of all tiles' bytes (not 'real total' size) from all stores
await stats.length; // Retrieve the total number of tiles in all stores
await stats.watchRecovery(); // Watch for changes to the recovery system
await stats.watchStores(); // Watch for changes in the specified (or all) stores

Remember that the size and length statistics in the root may not be equal to the sum of the same statistics of all available stores, because tiles may belong to many stores, and these statistics do not count any tile multiple times.