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

        this.vpcSubnetIds = new com.amazonaws.internal.SdkInternalList<String>(vpcSubnetIds);
    }
<p>
The EC2 subnet IDs for the DB proxy endpoint.
</p>

@param vpcSubnetIds
       The EC2 subnet IDs for the DB proxy endpoint.
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/DBProxyEndpoint.java