public void setCustomVocabularyItemList(java.util.Collection<CustomVocabularyItem> customVocabularyItemList) {
        if (customVocabularyItemList == null) {
            this.customVocabularyItemList = null;
            return;
        }

        this.customVocabularyItemList = new java.util.ArrayList<CustomVocabularyItem>(customVocabularyItemList);
    }
<p>
A list of custom vocabulary items with updated fields. Each entry must contain a phrase and can optionally
contain a displayAs and/or a weight.
</p>

@param customVocabularyItemList
       A list of custom vocabulary items with updated fields. Each entry must contain a phrase and can optionally
       contain a displayAs and/or a weight.
aws-java-sdk-lexmodelsv2/src/main/java/com/amazonaws/services/lexmodelsv2/model/BatchUpdateCustomVocabularyItemRequest.java