Gtk.EntryCompletion.prototype.set_popup_single_match

function set_popup_single_match(popup_single_match:Boolean):void {
    // Gjs wrapper for gtk_entry_completion_set_popup_single_match()
}

Sets whether the completion popup window will appear even if there is only a single match. You may want to set this to false if you are using <link linkend="GtkEntryCompletion--inline-completion">inline completion</link>.

Since 2.8

popup_single_match

true if the popup should appear even for a single match