public String getIfMatch() {
        return this.ifMatch;
    }
<p>
The version identifier of the primary distribution whose configuration you are copying. This is the
<code>ETag</code> value returned in the response to <code>GetDistribution</code> and
<code>GetDistributionConfig</code>.
</p>

@return The version identifier of the primary distribution whose configuration you are copying. This is the
        <code>ETag</code> value returned in the response to <code>GetDistribution</code> and
        <code>GetDistributionConfig</code>.
aws-java-sdk-cloudfront/src/main/java/com/amazonaws/services/cloudfront/model/CopyDistributionRequest.java