How to send file with Beanshell

I want to send file with Beanshell but getting error:

Error in method invocation: Method setHTTPFiles(
org.apache.jmeter.protocol.http.util.HTTPFileArg ) not found in
class'org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy'

Here is code:

How I can solve this problem?