pub fn report(&self) {
        println!(
            "Analyzed {} files. Added {} selectors (before: {} after: {})",
            self.analyzed_files,
            self.selectors.len() - self.selectors_before,
            self.selectors_before,
            self.selectors.len()
        );
    }
Reports the number of analyzed files and the number of added selectors.
core/bin/selector_generator/src/app.rs