public void setReferencingVpcId(String referencingVpcId) {
        this.referencingVpcId = referencingVpcId;
    }
<p>
The ID of the VPC with the referencing security group.
</p>

@param referencingVpcId
       The ID of the VPC with the referencing security group.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/SecurityGroupReference.java