fgerlits commented on code in PR #1708:
URL: https://github.com/apache/nifi-minifi-cpp/pull/1708#discussion_r1445957906


##########
libminifi/src/core/flow/StructuredConfiguration.cpp:
##########
@@ -900,4 +918,131 @@ void StructuredConfiguration::addNewId(const std::string& 
uuid) {
   }
 }
 
+void StructuredConfiguration::encryptSensitivePropertiesInYaml(YAML::Node 
property_yamls, const std::map<std::string, Property>& properties) const {
+  for (auto kv : property_yamls) {

Review Comment:
   The yaml_cpp API is quite  ̶b̶a̶d̶ unusual: `*YAML::Node::begin()` returns 
an object by value, so changing the type of `kv` to `const&` would bind it to 
this temporary object.
   
   I think that would be misleading: it's not really `const`, as we modify 
`property_yamls` (indirectly) through `kv` at line 932; and it's not really a 
reference to anything inside `property_yamls` (it's a reference to a temporary 
object).



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