public String getVpcId() {
        return this.vpcId;
    }
<p>
The VPC identifier of the cluster if the snapshot is from a cluster in a VPC. Otherwise, this field is not in the
output.
</p>

@return The VPC identifier of the cluster if the snapshot is from a cluster in a VPC. Otherwise, this field is
        not in the output.
aws-java-sdk-redshift/src/main/java/com/amazonaws/services/redshift/model/Snapshot.java