addNow
 
/**
  * Add a new index-time pair to the timestamp. The given index and current
  * time will be copied into the timestamp. If an element with the same index
  * already exists, it will NOT be overwritten.
  *
  * @param timestamp The AP_TimestampSet instance
  * @param index The index of the new element
  */
  void (*addNow)(struct AP_TimestampSet* timestamp,
      AP_TimestampSetIndex index);
 
addTime
 
/**
  * Add a new index-time pair to the timestamp. The given index and time will
  * be copied into the timestamp. If an element with the same index already
  * exists, it will NOT be overwritten.
  *
  * @param timestamp The AP_TeimestampSet instance
  * @param index The index of the new element
  * @param time The time of the new element
  */
  void (*addTime)(struct AP_TimestampSet* timestamp,
      AP_TimestampSetIndex index, AP_TimestampSetTime time);
 
replace
 
/**
  * Change the time of an indexed element in the timestamp. If an
  * element with the given index already exists, its time will be replaced
  * with a copy of the given time. Otherwise, a new element is created
  * just as though addTime() had been called.
  *
  * @param timestamp The AP_TimestampSet instance
  * @param index The index of the element to be updated
  * @param time The new time for the indexed element
  */
  void (*replace)(struct AP_TimestampSet* timestamp,
        AP_TimestampSetIndex index, AP_TimestampSetTime newTime);
 
replaceWithNow
 
/**
  * Change the time of an indexed element in the timestamp. If an
  * element with the given index already exists, its time will be replaced
  * with a copy of the given time. Otherwise, a new element is created
  * just as though addNow() had been called.
  *
  * @param timestamp The AP_TimestampSet instance
  * @param index The index of the element to be updated
  * @param time The new time for the indexed element
  */
  void (*replaceWithNow)(struct AP_TimestampSet* timestamp,
        AP_TimestampSetIndex index);
 
findTime
 
/**
  * Search for an indexed element in the timestamp and return its
  * time.
  *
  * @param timestamp The AP_TimestampSet instance
  * @param index The element index to search for
  * @return The time associated with the given index, or NULL if no
  * matching element could be found.
  */
  AP_TimestampSetTime (*findTime)(struct AP_TimestampSet* timestamp,
      AP_TimestampSetIndex index);
 
findTimeAndRemove
 
/**
  * Search for an indexed element in the timestamp and return its
  * time. If found, the element will also be removed from the timestamp.
  *
  * @param timestamp The AP_TimestampSet instance
  * @param index The element index to search for
  * @return The time associated with the given index, or NULL if no
  * matching element could be found. If the element was found, it will be
  * deleted from the timestamp. Note that this function cannot distinguish
  * between an element with a missing time and an element that does not
  * exist - NULL will be returned in either case. The returned object
  * (if any) must be explicitly deleted by the caller after use.
  */
AP_TimestampSetTime (*findTimeAndRemove)(
      struct AP_TimestampSet* timestamp, AP_TimestampSetIndex index);
 
getSize
 
/**
  * Return the number of elements in the AP_TimestampSet
  *
  * @param timestamp The AP_TimestampSet instance
  * @return The number of elements in the timestamp set
  */
  AP_uint32 (*getSize)(struct AP_TimestampSet* timestamp);
 
toString
 w
/**
  * Return a printable string representation of the timestamp. The
  * returned string is owned by the caller and should be freed when it is
  * no longer required using the char8free function.
  *
  * @param timestamp The AP_TimestampSet instance
  * @return Printable string representation of the timestamp
  */
  AP_char8* (*toString)(struct AP_TimestampSet* timestamp);