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