An installation suffix providing additional information that may be useful to locate a package. `static id` yields:

    StaticRef {unStaticRef = GlobalName "base" "4.7.0.0-inplace" "GHC.Base" "id"}

`static Data.ByteString.empty` yields:

    StaticRef {unStaticRef = GlobalName "bytestring-0.10.4.0" "inplace" "Data.ByteString" "empty"}