//		or that should not be compared against the checksum database.
//		See https://golang.org/ref/mod#private-modules.
//	GOROOT
//		The root of the go tree.
//	GOSUMDB
//		The name of checksum database to use and optionally its public key and
//		URL. See https://golang.org/ref/mod#authenticating.
//	GOTOOLCHAIN
//		Controls which Go toolchain is used. See https://go.dev/doc/toolchain.