The only JSP file that appears to be active in this subdirectory is AjaxProxy.jsp, which appears to be used by several other endpoints.
AjaxProxy.jsp
Specifies an element used by several other endpoints, including ConfigureGoogleApps.jsp and ConfigureSalesForceApps.jsp.
FileUpload.jsp
Used by the FileUploader.jsp endpoint, described in the section on Federation Console JSP Endpoints.