nnoremap <buffer> gD :YcmCompleter GoToReferences<CR>
nnoremap <buffer> <leader>fi :YcmCompleter FixIt<CR>
+nnoremap <buffer> <leader>fr :YcmCompleter RefactorRename<space>
" format with =
call operator#user#define_ex_command('ycmcompleter-format', 'YcmCompleter Format')