@type t() :: %Figler.Schema.BehaviorTransition{
  delay: float() | nil,
  delay_var: Figler.Schema.VariableData.t() | nil,
  easing_function: [float()] | nil,
  easing_type: Figler.Schema.EasingType.t() | nil,
  transition_duration: float() | nil,
  transition_duration_var: Figler.Schema.VariableData.t() | nil
}