Filename: ///etc/apt/sources.list.d///nodesource.list

deb [signed-by=/usr/share/keyrings/nodesource.gpg] https://deb.nodesource.com/node_16.x bullseye main
deb-src [signed-by=/usr/share/keyrings/nodesource.gpg] https://deb.nodesource.com/node_16.x bullseye main

./Ninja\.