var encoding/json.marshalerType

4 uses

	encoding/json (current package)
		encode.go#L415: 	marshalerType     = reflect.TypeFor[Marshaler]()
		encode.go#L426: 	if t.Kind() != reflect.Pointer && allowAddr && reflect.PointerTo(t).Implements(marshalerType) {
		encode.go#L429: 	if t.Implements(marshalerType) {
		encode.go#L882: 		if !p.Implements(marshalerType) && !p.Implements(textMarshalerType) {