You can search for identifiers within the package.
in-package search v0.2.0
sha256=0625166be89e2d29990273bcba70a5ea2747301e8b7cf4f510c8f2fbc02da7ae
build
>= "4.10"
None
>= "2.1.1" & < "2.3" | = "2.6"