fdbPackage fdb provides an interface to FoundationDB databases (version 2.0 or higher).
fdb/directoryPackage directory provides a tool for managing related subspaces.
fdb/subspacePackage subspace provides a convenient way to use FoundationDB tuples to define namespaces for different categories of data.
fdb/tuplePackage tuple provides a layer for encoding and decoding multi-element tuples into keys usable by FoundationDB.

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