question: public Builder trustCertificates ( KeyStore trustStore ) throws GeneralSecurityException { SSLContext sslContext = SslUtils . getTlsSslContext ( ) ; SslUtils . initSslContext ( sslContext , trustStore , SslUtils . getPkixTrustManagerFactory ( ) ) ; return setSslSocketFactory ( sslContext . getSocketFactory ( ) ) ; }
target:  Sets the SSL socket factory based on a root certificate trust store.