Make a couple of elements public

For the performance tool, which will be extracted
as a standalone project soon.

Author: acogoluegnes

src/main/java/com/rabbitmq/stream/impl/Client.java

@@ -1411,7 +1411,7 @@ private String serverAddress() {
     }
   }
 
-  boolean filteringSupported() {
+  public boolean filteringSupported() {
     return this.filteringSupported;
   }
 
@@ -1590,7 +1590,7 @@ int serverAdvertisedPort() {
     return Integer.valueOf(this.connectionProperties("advertised_port"));
   }
 
-  String brokerVersion() {
+  public String brokerVersion() {
     return this.serverProperties.get("version");
   }
 

src/main/java/com/rabbitmq/stream/impl/ClientProperties.java

@@ -21,7 +21,7 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-final class ClientProperties {
+public final class ClientProperties {
 
   private static final Logger LOGGER = LoggerFactory.getLogger(ClientProperties.class);