The code contains 5 header files, attached here + implementation of the methods. What is the problem is with what I wrote? Header 1 `#pragma once #ifndef
faktor-ips
graphexp
chunked-encoding
cra
fat32
xmlroot
pythonqt
lineplusbarchart
duktape
angular-flex-layout
mask
github-third-party-apps
lacontext
nested-statement
robovm
custom-action
database-security
sentencecase
azure-maps
axis
openfeign
docker-stack
google-awareness
kubedb
end-to-end-encryption
reverse-iterator
mat-sidenav
horizontal-alignment
py-redis
contextual-action-bar