public void setIfMatch(String ifMatch) {
        this.ifMatch = ifMatch;
    }
<p>
The version of the cache policy that you are deleting. The version is the cache policy's <code>ETag</code> value,
which you can get using <code>ListCachePolicies</code>, <code>GetCachePolicy</code>, or
<code>GetCachePolicyConfig</code>.
</p>

@param ifMatch
       The version of the cache policy that you are deleting. The version is the cache policy's <code>ETag</code>
       value, which you can get using <code>ListCachePolicies</code>, <code>GetCachePolicy</code>, or
       <code>GetCachePolicyConfig</code>.
aws-java-sdk-cloudfront/src/main/java/com/amazonaws/services/cloudfront/model/DeleteCachePolicyRequest.java