public void setId(String id) {
        this.id = id;
    }
<p>
The identifier of the document that couldn't be removed from the Amazon Q Business index.
</p>

@param id
       The identifier of the document that couldn't be removed from the Amazon Q Business index.
aws-java-sdk-qbusiness/src/main/java/com/amazonaws/services/qbusiness/model/FailedDocument.java