languageserver_add_to_rprofile
                        Add language server initialization to
                        '.Rprofile'
languageserver_detect   Detect whether a process relates to the R
                        Language Server
languageserver_install
                        Install the 'languageserver' package to a
                        separate library
languageserver_remove_from_rprofile
                        Remove language server initialization from
                        '.Rprofile'
languageserver_startup
                        Prepare language server to be started
