Extracts the number of seconds part _in the duration.
!(p)
This returns the remaining seconds when dividing {@link #toSeconds}
by seconds _in a minute.
This is based on the standard definition of a minute as 60 seconds.
!(p)
This instance is immutable and unaffected by this method call.
@return the number of seconds parts _in the duration, may be negative
@since 9
Extracts the number of seconds part _in the duration. !(p) This returns the remaining seconds when dividing {@link #toSeconds} by seconds _in a minute. This is based on the standard definition of a minute as 60 seconds. !(p) This instance is immutable and unaffected by this method call.
@return the number of seconds parts _in the duration, may be negative @since 9