Add an exception to a file for substring checking or exclude use or namespace checking

[todo-username]

Discussed in #3902

^{Originally posted by todo-username October 19, 2023}
How can I add an exception to a file for substring checking or exclude use or namespace checking?

For example, is "use Service/Folder1/Folder2/..." more than 120 characters?

[jrfnl]

Answered in #3902