Imports of package trim

PathSynopsis
cuelang.org/go/cuePackage cue is the main API for CUE evaluation.
cuelang.org/go/cue/astPackage ast declares the types used to represent syntax trees for CUE packages.
cuelang.org/go/cue/ast/astutil
cuelang.org/go/internalPackage internal exposes some cue internals to other packages.
cuelang.org/go/internal/core/adtPackage adt represents partially and fully evaluated CUE types.
cuelang.org/go/internal/core/runtime
cuelang.org/go/internal/core/subsumePackage subsume defines various subsumption relations.