I broke up with neovim....vim is my best friend now

dot_vim/plugged/vim-vsnip-integ/autoload/vsnip_integ/detection.vim

@@ -0,0 +1,37 @@
+let s:definition = {
+\   'vimlsp': { -> exists('g:lsp_loaded') },
+\   'lsc': { -> exists('g:loaded_lsc') },
+\   'lcn': { -> exists('g:LanguageClient_serverCommands') },
+\   'asyncomplete': { -> exists('g:asyncomplete_loaded') },
+\   'mucomplete': { -> exists('g:loaded_mucomplete') },
+\   'ddc': { -> s:runtimepath("autoload/ddc.vim") },
+\   'yegappan_lsp': { -> s:runtimepath('autoload/lsp/lspserver.vim') },
+\ }
+
+
+let s:cache = {}
+
+"
+" vsnip_integ#detection#definition
+"
+function! vsnip_integ#detection#definition() abort
+  return copy(s:definition)
+endfunction
+
+"
+" vsnip_integ#detection#exists
+"
+function! vsnip_integ#detection#exists(id) abort
+  if !has_key(s:cache, a:id)
+    let s:cache[a:id] = s:definition[a:id]()
+  endif
+  return s:cache[a:id]
+endfunction
+
+"
+" runtimepath
+"
+function! s:runtimepath(path) abort
+  return !empty(globpath(&runtimepath, a:path))
+endfunction
+