RemixIconEx.Document.file_list_2

You're seeing just the function file_list_2, go back to RemixIconEx.Document module for more information.
Link to this function

file_list_2(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Document.file_list_2()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M20 22H4a1 1 0 0 1-1-1V3a1 1 0 0 1 1-1h16a1 1 0 0 1 1 1v18a1 1 0 0 1-1 1zm-1-2V4H5v16h14zM8 7h8v2H8V7zm0 4h8v2H8v-2zm0 4h5v2H8v-2z" />
</svg>

example usage

svg.icon {
  width: 96;
  height: 96;
}