public String getVpcIdentifier() {
        return this.vpcIdentifier;
    }
<p>
The ID of the VPC. Not supported if the target group type is <code>LAMBDA</code>.
</p>

@return The ID of the VPC. Not supported if the target group type is <code>LAMBDA</code>.
aws-java-sdk-vpclattice/src/main/java/com/amazonaws/services/vpclattice/model/TargetGroupConfig.java