\ifglsentryexists{ROS}{}%
{%
\gls@defglossaryentry{ROS}%
{%
name={ROS},%
sort={ROS},%
type={main},%
first={ROS},%
firstplural={ROSs},%
text={ROS},%
plural={ROSs},%
description={Robot operating system},%
descriptionplural={Robot operating system},%
symbol={\relax },%
symbolplural={\relax },%
user1={},%
user2={},%
user3={},%
user4={},%
user5={},%
user6={},%
long={},%
longplural={},%
short={},%
shortplural={},%
counter={page},%
parent={},%
%
}%
}%