public String getParentSlotTypeSignature() {
        return this.parentSlotTypeSignature;
    }
<p>
If the slot type is derived from a built-on slot type, the name of the parent slot type.
</p>

@return If the slot type is derived from a built-on slot type, the name of the parent slot type.
aws-java-sdk-lexmodelsv2/src/main/java/com/amazonaws/services/lexmodelsv2/model/SlotTypeSummary.java