code: public void disableCacheSizeInMB() {
          this.memoryCacheSizeInMBEnabled = false;
          this.cacheConfig.memoryCacheSizeInMB = -1;
          this.currentMemoryCacheSizeInBytes = -1;
          if (tc.isDebugEnabled()) {
              Tr.debug(tc, "disableCacheSizeInMB() cacheName=" + this.cacheName);
          }
      }
docs: Disable cache size in MB