public java.util.List<String> getStackNames() {
        return stackNames;
    }
<p>
An array of the names of the Amazon Web Services CloudFormation stacks to update. You can specify up to 500
Amazon Web Services CloudFormation stacks.
</p>

@return An array of the names of the Amazon Web Services CloudFormation stacks to update. You can specify up to
        500 Amazon Web Services CloudFormation stacks.
aws-java-sdk-devopsguru/src/main/java/com/amazonaws/services/devopsguru/model/UpdateCloudFormationCollectionFilter.java