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

@param ifMatch
       The version of the response headers policy that you are deleting.</p>
       <p>
       The version is the response headers policy's <code>ETag</code> value, which you can get using
       <code>ListResponseHeadersPolicies</code>, <code>GetResponseHeadersPolicy</code>, or
       <code>GetResponseHeadersPolicyConfig</code>.
aws-java-sdk-cloudfront/src/main/java/com/amazonaws/services/cloudfront/model/DeleteResponseHeadersPolicyRequest.java