default boolean isChallengeExpected() {
        return false;
    }
Indicates that the even authorized (i.e. not 401 or 407) responses must be processed
by this scheme.

@return true if responses with non 401/407 response codes must be processed by the scheme.

@since 5.5
httpclient5/src/main/java/org/apache/hc/client5/http/auth/AuthScheme.java