in webhooks/alloydb-nodeselector-mwh/handlers/pod_nodeselector_handler.go [163:176]
func mergeMaps(existing, new map[string]string) map[string]string {
result := make(map[string]string)
for k, val := range existing {
result[k] = val
}
for k, val := range new {
if _, ok := result[k]; !ok { // Don't overwrite but only add unique keys
result[k] = val
}
}
return result
}