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

        this.propertyNames = new java.util.ArrayList<String>(propertyNames);
    }
<p>
The names of properties
</p>

@param propertyNames
       The names of properties
aws-java-sdk-iottwinmaker/src/main/java/com/amazonaws/services/iottwinmaker/model/ComponentPropertyGroupResponse.java