in src/router/PrefixMatching/PrefixMap.php [161:168]
public function getSerializable(): mixed where T as string {
return dict[
'literals' => $this->literals,
'prefixes' => Dict\map($this->prefixes, $it ==> $it->getSerializable()),
'regexps' => Dict\map($this->regexps, $it ==> $it->getSerializable()),
]
|> Dict\filter($$, $it ==> !C\is_empty($it));
}