try {
            envMap.put("COMPUTERNAME", "xxx");
            assertEquals("xxx", systemHelper.getHostname());
        } finally {
            envMap.remove("COMPUTERNAME");
        }
        try {
            envMap.put("HOSTNAME", "yyy");
            assertEquals("yyy", systemHelper.getHostname());
        } finally {
            envMap.remove("HOSTNAME");
        }
    }

			hkv, _ := hkvs.Lookup(kv.Key)
			if hkv.Secret && redactSecrets {
				// Skip adding any secret to the returned value.
				continue
				// envPair.Value = redactedSecret
			}
			envMap[kv.Key] = envPair
		}
	}
	return envMap
}

// EnvPair represents an environment variable and its value.
type EnvPair struct {
	Name, Value string
}

// SubsysInfo holds config info for a subsystem target.