public void setSubnetIds(java.util.Collection<String> subnetIds) {
        if (subnetIds == null) {
            this.subnetIds = null;
            return;
        }

        this.subnetIds = new java.util.ArrayList<String>(subnetIds);
    }
<p>
The list of subnets in the client VPC to connect to.
</p>

@param subnetIds
       The list of subnets in the client VPC to connect to.
aws-java-sdk-kafka/src/main/java/com/amazonaws/services/kafka/model/KafkaClusterClientVpcConfig.java