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

        this.isA = new java.util.ArrayList<String>(isA);
    }
<p>
The <code>isA</code> property of the term relations.
</p>

@param isA
       The <code>isA</code> property of the term relations.
aws-java-sdk-datazoneexternal/src/main/java/com/amazonaws/services/datazone/model/TermRelations.java