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

        this.extendsFrom = new java.util.ArrayList<String>(extendsFrom);
    }
<p>
Specifies the component type that this component type extends.
</p>

@param extendsFrom
       Specifies the component type that this component type extends.
aws-java-sdk-iottwinmaker/src/main/java/com/amazonaws/services/iottwinmaker/model/UpdateComponentTypeRequest.java