docs: public void setCacheSecurityGroups(java.util.Collection<CacheSecurityGroup> cacheSecurityGroups) {
          if (cacheSecurityGroups == null) {
              this.cacheSecurityGroups = null;
              return;
          }
  
          this.cacheSecurityGroups = new com.amazonaws.internal.SdkInternalList<CacheSecurityGroup>(cacheSecurityGroups);
      }