All loads all entities from a data source.

Count returns the number of entities in a data source using the provided map as a filter.

Delete deletes an entity from a data source.

Find returns all entities in a data source that match the provided filter.

FindAndDelete deletes all entities in a data source that match the provided filter.

FindOne returns the first entity in a data source that matches the provided filter.

Register registers a data source with the registry.

Save saves data to a data source for a given entity.