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