const internal/types/errors.UnusedImport

4 uses

	internal/types/errors (current package)
		code_string.go#L19: 	_ = x[UnusedImport-8]
		codes.go#L92: 	UnusedImport

	go/types
		resolver.go#L732: 		check.softErrorf(obj, UnusedImport, "%q imported and not used", path)
		resolver.go#L734: 		check.softErrorf(obj, UnusedImport, "%q imported as %s and not used", path, obj.name)