readonly addMessage: (message: EncryptedCrdtMessage) => void;

readonly addRange: (range:
  | FingerprintRange
  | SkipRange
  | TimestampsRangeWithTimestampsBuffer) => void;

readonly canAddMessage: (message: EncryptedCrdtMessage) => boolean;

readonly canAddTimestampsRangeAndMessage: (timestamps: TimestampsBuffer, message:
  | EncryptedCrdtMessage
  | null) => boolean;

readonly canSplitRange: () => boolean;

readonly getSize: () => number & Brand<"Int"> & Brand<"NonNegative"> & Brand<"Positive">;

readonly unwrap: () => ProtocolMessage;