public DeleteFunctionRequest withIfMatch(String ifMatch) {
        setIfMatch(ifMatch);
        return this;
    }
<p>
The current version (<code>ETag</code> value) of the function that you are deleting, which you can get using
<code>DescribeFunction</code>.
</p>

@param ifMatch
       The current version (<code>ETag</code> value) of the function that you are deleting, which you can get
       using <code>DescribeFunction</code>.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-cloudfront/src/main/java/com/amazonaws/services/cloudfront/model/DeleteFunctionRequest.java