package name : counsel-sift package repo : https://github.com/appleshan/emacs-counsel-sift package config :
(defun appleshan-complete/init-counsel-sift ()
(use-package counsel-sift
:config
(progn
(spacemacs/set-leader-keys
"osf" 'spacemacs/search-sift
"osF" 'spacemacs/search-sift-region-or-symbol
"osp" 'spacemacs/search-project-sift
"osP" 'spacemacs/search-project-sift-region-or-symbol
)
)))