multipart/mixed example issue

[harshakumar347]

In Example 9.50

@POST @Consumes(MediaType.MULTIPART_FORM_DATA) public String postForm( @DefaultValue("true") @FormDataParam("enabled") boolean enabled, @FormDataParam("data") FileData bean, @FormDataParam("file") InputStream file, @FormDataParam("file") FormDataContentDisposition fileDisposition) {

// ...

}

its not clear to which package this FileData class Belongs . Its not specified in Docs