The com.endeca.soleng.urlformatter package within ToolsAndFrameworks\<version>\assembler\lib\endeca_assembler-<version>.jar contains the classes and dependencies necessary for generating optimized URLs and canoncial links in your application.

To enable the API for the Discover Electronics reference application, the endeca_assembler-<version>.jar file is also included under the ToolsAndFrameworks\<version>\reference\discover-electronics-authoring\WEB-INF\lib directory.