code: public void setCidrBlockAssociationSet(java.util.Collection<VpcCidrBlockAssociation> cidrBlockAssociationSet) {
          if (cidrBlockAssociationSet == null) {
              this.cidrBlockAssociationSet = null;
              return;
          }
  
          this.cidrBlockAssociationSet = new com.amazonaws.internal.SdkInternalList<VpcCidrBlockAssociation>(cidrBlockAssociationSet);
      }
docs: <p>
  Information about the IPv4 CIDR blocks associated with the VPC.
  </p>
  
  @param cidrBlockAssociationSet
  Information about the IPv4 CIDR blocks associated with the VPC.