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
expo-sqlite
qapplication
gtkbuilder
ora-01722
tsr
jekyll-theme
dbcp
fuglu
magento-1.4
strip-tags
sylius
system.security
xamarin.uwp
next-auth
max-execution-timeout
oracle-type
prologscript
version-sort
length-modifiers
smil
access-database-engine
jest-enzyme
itsm
systemtap
alt+shift+r
apple-touch-icon
stig
stimulus-reflex
greenlock
keras-sequence