presto-spi/src/main/java/io/prestosql/spi/security/AccessDeniedException.java/AccessDeniedException/denySetUser
class AccessDeniedException:    public static void denySetUser(Optional<Principal> principal, String userName, String extraInfo)
    {
        throw new AccessDeniedException(format("Principal %s cannot become user %s%s", principal.orElse(null), userName, formatExtraInfo(extraInfo)));
    }