type reflect.StructField has no field or method IsExported

[PhilYue]

What happened:

sigs.k8s.io/json/internal/golang/encoding/json

/Users/phil/go/pkg/mod/sigs.k8s.io/[email protected]/internal/golang/encoding/json/encode.go:1249:12: sf.IsExported undefined (type reflect.StructField has no field or method IsExported) /Users/phil/go/pkg/mod/sigs.k8s.io/[email protected]/internal/golang/encoding/json/encode.go:1255:18: sf.IsExported undefined (type reflect.StructField has no field or method IsExported)

What you expected to happen:

How to reproduce it (as minimally and precisely as possible):

Anything else we need to know?:

[PhilYue]

Clarify go1.17 is required