public String getVpcPeeringConnectionId() {
        return this.vpcPeeringConnectionId;
    }
<p>
The ID of the VPC peering connection (if applicable).
</p>

@return The ID of the VPC peering connection (if applicable).
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/ReferencedSecurityGroup.java