const encoding/json/internal/jsonflags.maxArshalV1Flag

4 uses

	encoding/json/internal/jsonflags (current package)
		flags.go#L35: 	AllArshalV1Flags = (maxArshalV1Flag - 1) - (maxArshalV2Flag - 1)
		flags.go#L158: 	maxArshalV1Flag
		flags.go#L165: const _ = uint64((1<<bitsUsed)-maxArshalV1Flag) + uint64(maxArshalV1Flag-(1<<bitsUsed))