public String getTruststore() {
      return truststore;
    }
Builder class to be used to construct SSLConfig instances.
In order to build an {@link SSLConfig} instance an instance of this
class must be created, then the corresponding setter methods invoked
and finally the build() method that returns the {@link SSLConfig} instance

Example:
SSLConfig sslConfInstance = new SSLConfig.Builder()
.setAlias(alias)
.setKeystore(keystore)
...
.build();
geode-core/src/main/java/org/apache/geode/internal/net/SSLConfig.java