swiftlint custom rule non triggering example for 1 declaration per file

NonTriggering.swift

class Car {
    var make: String
    var model: String
    
    init(make: String, model: String) {
        self.make = make
        self.model = model
    }
}

extension Car {
    func drive() {
        
    }
    
    func stop() {
        
    }
}