Returns a copy of this duration with the specified amount of seconds.
!(p)
This returns a duration with the specified seconds, retaining the
nano-of-second part of this duration.
!(p)
This instance is immutable and unaffected by this method call.
@param seconds the seconds to represent, may be negative
@return a {@code Duration} based on this period with the requested seconds, not null
Returns a copy of this duration with the specified amount of seconds. !(p) This returns a duration with the specified seconds, retaining the nano-of-second part of this duration. !(p) This instance is immutable and unaffected by this method call.
@param seconds the seconds to represent, may be negative @return a {@code Duration} based on this period with the requested seconds, not null