public String getIfMatch() {
        return this.ifMatch;
    }
<p>
The value of the <code>ETag</code> header that you received when retrieving the public key to update. For
example: <code>E2QWRUHAPOMQZL</code>.
</p>

@return The value of the <code>ETag</code> header that you received when retrieving the public key to update. For
        example: <code>E2QWRUHAPOMQZL</code>.
aws-java-sdk-cloudfront/src/main/java/com/amazonaws/services/cloudfront/model/UpdatePublicKeyRequest.java