@type t() :: %Figler.Schema.Baseline{
  end_character: non_neg_integer() | nil,
  first_character: non_neg_integer() | nil,
  ignore_leading_trim: float() | nil,
  line_ascent: float() | nil,
  line_height: float() | nil,
  line_y: float() | nil,
  position: Figler.Schema.Vector.t() | nil,
  width: float() | nil
}