const KnownEnv = `
    AR
    CC
    CGO_CFLAGS
    CGO_CFLAGS_ALLOW
    CGO_CFLAGS_DISALLOW
    CGO_CPPFLAGS
    CGO_CPPFLAGS_ALLOW
    CGO_CPPFLAGS_DISALLOW
    CGO_CXXFLAGS
    CGO_CXXFLAGS_ALLOW
    CGO_CXXFLAGS_DISALLOW
    CGO_ENABLED
    CGO_FFLAGS
    CGO_FFLAGS_ALLOW
    CGO_FFLAGS_DISALLOW
    CGO_LDFLAGS
    CGO_LDFLAGS_ALLOW
    CGO_LDFLAGS_DISALLOW
    CXX
    FC
    GCCGO
    GO111MODULE
    GO386
    GOARCH
    GOARM
    GOBIN
    GOCACHE
    GOENV
    GOEXE
    GOFLAGS
    GOGCCFLAGS
    GOHOSTARCH
    GOHOSTOS
    GOMIPS
    GOMIPS64
    GONOPROXY
    GONOSUMDB
    GOOS
    GOPATH
    GOPPC64
    GOPRIVATE
    GOPROXY
    GOROOT
    GOSUMDB
    GOTMPDIR
    GOTOOLDIR
    GOWASM
    GO_EXTLINK_ENABLED
    PKG_CONFIG
`
				KnownEnv is a list of environment variables that affect the operation of the Go command.