pub fn x509_url(&self) -> Option<&str> {
        match self.claim("x5u") {
            Some(Value::String(val)) => Some(val),
            _ => None,
        }
    }
/// Return a value for a X.509 URL header claim (x5u).
Return a value for a X.509 URL header claim (x5u).
Return a value for a X . 509 URL header claim ( x5u ) .
pub fn x509_url(&self) -> Option<&str> {
        match self.claim("x5u") {
            Some(Value::String(val)) => Some(val),
            _ => None,
        }
    }
pub fn x509_url ( & self ) -> Option < & str > { match self . claim ( " " ) { Some ( Value :: String ( val ) ) => Some ( val ) , _ => None , } }
Return a value for a X.509 URL header claim (x5u).
Return a value for a X . 509 URL header claim ( x5u ) .
&self
&self