type MdKitCheckpointPolicyInput = {
  currentContent: string;
  documentId: string;
  editDistance: number;
  previousCheckpoint: MdKitDocumentVersionDetail | null;
  previousCheckpointContent: string | null;
  timeSinceLastCheckpointMs: number | null;
  writeInput: MdKitDocumentWriteInput;
  writeResult: MdKitDocumentWriteResult;
};