Method locate

api/src/main/java/io/jsonwebtoken/Locator.java:40–40

Returns an object referenced in the specified header, or null if the object couldn't be found. @param header the JWT header to inspect; may be an instance of Header, JwsHeader or JweHeader depending on if the respective JWT is an unprotected JWT

(Header header)

     * @return an object referenced in the specified {@code header}, or {@code null} if the object couldn't be found.
     */
    T locate(Header header);
}