NumVariants is used at run time in 47 crates. It is a direct run-time dependency in 3 crates. It's used only as a dev dependency in 3 crates.

Depender (with downloads and own rev deps) NumVariants version
21 aptosdb ^0.2.1
18 aptos-network ^0.2.1
1 aptosdb-indexer ^0.2.6