public NullCheckBoxList getNullCheckBoxList() {
        return this.nullCheckBoxList;
    }
<p>
A structure that represents whether certain values are recognized as null values for removal.
</p>

@return A structure that represents whether certain values are recognized as null values for removal.
aws-java-sdk-glue/src/main/java/com/amazonaws/services/glue/model/DropNullFields.java