code: func (svc *S3Accessor) KeysPrivilege(keyPrivileges ...string) sparta.IAMRolePrivilege {
  	return sparta.IAMRolePrivilege{
  		Actions:  keyPrivileges,
  		Resource: spartaCF.S3AllKeysArnForBucket(gocf.Ref(svc.S3BucketResourceName)),
  	}
  }
docs: // KeysPrivilege returns a privilege that targets the Bucket objects