public Builder trustStore(final String trustStore) {
            this.trustStore = trustStore;
            return this;
        }
The file location for a SSL Certificate Chain to use when SSL is enabled. If
this value is not provided and SSL is enabled, the default {@code TrustManager} will be used, which will
have a set of common public certificates installed to it.
gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/Cluster.java