Imports of operationgen command

PathSynopsis
bytesPackage bytes implements functions for the manipulation of byte slices.
flagPackage flag implements command-line flag parsing.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
go.mongodb.org/mongo-driver/x/mongo/driver/drivergen
golang.org/x/tools/importsPackage imports implements a Go pretty-printer (like package "go/format") that also adds or removes import statements as necessary.
logPackage log implements a simple logging package.
osPackage os provides a platform-independent interface to operating system functionality.