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

        this.issues = new java.util.ArrayList<String>(issues);
    }
<p>
A list of strings containing detailed information about the errors encountered in a particular step.
</p>

@param issues
       A list of strings containing detailed information about the errors encountered in a particular step.
aws-java-sdk-elasticsearch/src/main/java/com/amazonaws/services/elasticsearch/model/UpgradeStepItem.java