# File lib/pry/commands/help.rb, line 110
    def display_filtered_commands(search)
      filtered = search_hash(search, visible_commands)
      raise CommandError, "No help found for '#{args.first}'" if filtered.empty?

      if filtered.size == 1
        display_command(filtered.values.first)
      else
        display_index({"'#{search}' commands" => filtered.values})
      end
    end