* Creates a `PositiveTimestamp` from a [`SystemTime`] with a corresponding Unix timestamp in
* the range `0..=MAX_TIMESTAMP`.
*
+ * Note that the subsecond part is dropped as it is not representable in BOLT 11 invoices.
+ *
* Otherwise, returns a [`CreationError::TimestampOutOfBounds`].
*/
public static Result_PositiveTimestampCreationErrorZ from_system_time(long time) {
* Creates a `PositiveTimestamp` from a [`Duration`] since the Unix epoch in the range
* `0..=MAX_TIMESTAMP`.
*
+ * Note that the subsecond part is dropped as it is not representable in BOLT 11 invoices.
+ *
* Otherwise, returns a [`CreationError::TimestampOutOfBounds`].
*/
public static Result_PositiveTimestampCreationErrorZ from_duration_since_epoch(long duration) {