@type t() :: %Figler.Schema.CollaborativePlainText{
  changes_to_append: [Figler.Schema.CollaborativeTextOpRun.t()] | nil,
  history_ops_with_ids:
    [Figler.Schema.CollaborativeTextStrippedOpRunWithIDs.t()] | nil,
  history_ops_with_loc:
    [Figler.Schema.CollaborativeTextStrippedOpRunWithLoc.t()] | nil,
  history_string_content_buffer: binary() | nil
}