@type t() :: %Figler.Render.Effect{
  blend_mode: atom() | nil,
  color: Figler.Render.Color.t() | nil,
  offset: Figler.Render.Vector.t() | nil,
  opacity: float() | nil,
  radius: float() | nil,
  show_shadow_behind_node: boolean() | nil,
  spread: float() | nil,
  type: atom() | integer() | nil,
  visible: boolean() | nil
}