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
transitland
fork-join
django-stubs
std-expected
ironpdf
cloudflare-polish
oledbconnection
can-bus
popupwindow
react-native-text
angular-in-memory-web-api
anythingslider
adobe-animate
ribbonx
shadow-copy
gcrypt
knowledge-graph
stateful-session-bean
opnet
relaxed-atomics
date-formatting
chrome-native-messaging
postcss-cli
apple-help
custom-dataset
formvalidation.io
mayanedms
selectionchanged
pmd
web-sys