alias which-command="type -fP "

function add-alias-to-bash-completion-code() {
    local CMD=$(printf "%s" "sed '" 's/\(complete\W.*-F\W.*' "$1" '.*$\)/\1 ' "$2/g'")
    [[ -r "$3" ]] && CMD="$CMD -i $3"
    [[ -n "$4" ]] && CMD="$4 $CMD"
    eval "$CMD"
}