pub fn into_owned(self) -> ParseError<'static> {
        let ParseError {
            expression,
            locations,
        } = self;
        ParseError {
            expression: expression.into_owned().into(),
            locations: locations.into_iter().map(ErrorEntry::into_owned).collect(),
        }
    }
Clones any borrowed data into an owning instance.
crates/turborepo-wax/src/token/parse.rs