public Builder setPdxIgnoreUnreadFields(final boolean ignore) {
      cacheConfig.setPdxIgnoreUnreadFields(ignore);
      return this;
    }
Sets whether fields in the PDX instance should be ignored when unread.

@param ignore a boolean indicating whether unread fields in the PDX instance should be
       ignored.
@return this Builder instance.
geode-core/src/main/java/org/apache/geode/distributed/ServerLauncher.java