public void setVpcIdentifier(String vpcIdentifier) {
        this.vpcIdentifier = vpcIdentifier;
    }
<p>
The ID of the VPC of the target group.
</p>

@param vpcIdentifier
       The ID of the VPC of the target group.
aws-java-sdk-vpclattice/src/main/java/com/amazonaws/services/vpclattice/model/TargetGroupSummary.java