var DepsErrors int // must be set as a LoadMode to call GetDepsErrors

var ForTest int // must be set as a LoadMode to call GetForTest

var GetDepsErrors = func(p interface{}) []*PackageError { return nil }

var GetForTest = func(p interface{}) string { return "" }

var SetModFile = func(config interface{}, value string) {}

var SetModFlag = func(config interface{}, value string) {}

var TypecheckCgo int

type PackageError struct {
	ImportStack []string // shortest path from package named on command line to this one
	Pos         string   // position of error (if present, file:line:col)
	Err         string   // the error itself
}