Parser rules are defined in rules.rs file.
``rust
let dirty_url = url::Url::parse("https://twitter.com/elonmusk/status/1608273870901096454?ref_src=twsrc%5EdUmBgUY").unwrap();
let clean_url = tracking_params::clean(dirty_url); // returns
Cleanedwhich derefs to
url::Url`
asserteq!(
cleanurl.tostring(),
"https://twitter.com/elonmusk/status/1608273870901096454".tostring() // No ref_src
tracking params
);
```