}
	}

	if c.EmitZshCompletion {

		// Constants used in zsh completion file
		zshInitialization := `#compdef ` + root.Name() + `

__istio_bash_source() {
	alias shopt=':'
	alias _expand=_bash_expand
	alias _complete=_bash_comp
	emulate -L sh
	setopt kshglob noshglob braceexpand
	source "$@"
}
__istio_type() {
	# -t is not supported by zsh
	if [ "$1" == "-t" ]; then

      build/run.sh hack/_update-generated-proto-bindings-dockerized.sh "${apis[@]}"
    fi
}

#
# main
#

function list_codegens() {
    (
        shopt -s extdebug
        declare -F \
            | cut -f3 -d' ' \
            | grep "^codegen::" \
            | while read -r fn; do declare -F "$fn"; done \
            | sort -n -k2 \
            | cut -f1 -d' ' \