public Boolean isAbstract() {
        return this.isAbstract;
    }
<p>
A Boolean value that specifies whether the component types in the list are abstract.
</p>

@return A Boolean value that specifies whether the component types in the list are abstract.
aws-java-sdk-iottwinmaker/src/main/java/com/amazonaws/services/iottwinmaker/model/ListComponentTypesFilter.java