HttpClient 4.3 had three static variables in org.apache.http.conn.ssl.SSLConnectionSocketFactory:
org.apache.http.conn.ssl.SSLConnectionSocketFactory
Actually, the javadoc of AllowAllHostnameVerifier gives a direct replacement for ALLOW_ALL__HOSTNAME_VERIFIER, which is NoopHostnameVerifier .
ALLOW_ALL__HOSTNAME_VERIFIER