grovedb-costs is used at run time in 4 crates (of which 1 optionally).

Depender (with downloads and own rev deps) grovedb-costs version
750 1 grovedb-epoch-based-storage-flags ^2.1.0
750 1 grovedb-merk ^2.1.0
400 2 grovedb-storage ^2.1.0
750 grovedb optional ^2.1.0