kubernetes/vendor/k8s.io/utils/strings/escape.go

// EscapeQualifiedName converts a plugin name, which might contain a / into a
// string that is safe to use on-disk.  This assumes that the input has already
// been validates as a qualified name.  we use "~" rather than ":" here in case
// we ever use a filesystem that doesn't allow ":".
func EscapeQualifiedName(in string) string { … }

// UnescapeQualifiedName converts an escaped plugin name (as per EscapeQualifiedName)
// back to its normal form.  This assumes that the input has already been
// validates as a qualified name.
func UnescapeQualifiedName(in string) string { … }