Imports of package work

PathSynopsis
bufio
bytes
cmd/go/internal/base
cmd/go/internal/cache
cmd/go/internal/cfg
cmd/go/internal/fsys
cmd/go/internal/gover
cmd/go/internal/load
cmd/go/internal/modload
cmd/go/internal/par
cmd/go/internal/robustio
cmd/go/internal/search
cmd/go/internal/str
cmd/go/internal/trace
cmd/internal/buildid
cmd/internal/cov/covcmd
cmd/internal/pkgpath
cmd/internal/quoted
cmd/internal/sys
container/heap
context
crypto/sha1
crypto/sha256
debug/elf
encoding/json
errors
flag
fmt
go/build
go/token
internal/coverage
internal/lazyregexp
internal/platform
io
io/fs
log
math/rand
os
os/exec
path/filepath
regexp
runtime
slices
sort
strconv
strings
sync
time