public Builder setPdxSerializer(final PdxSerializer pdxSerializer) {
      cacheConfig.setPdxSerializer(pdxSerializer);
      return this;
    }
Set the PdxSerializer to use to serialize POJOs to the Geode Cache Region or when sent
between peers, client/server, or during persistence to disk.

@param pdxSerializer the PdxSerializer that is used to serialize application domain objects
       into PDX.
@return this Builder instance.
geode-core/src/main/java/org/apache/geode/distributed/ServerLauncher.java