Returns a copy of this {@code LocalDateTime} with the specified number of nanoseconds added.
!(p)
This instance is immutable and unaffected by this method call.
@param nanos the nanos to add, may be negative
@return a {@code LocalDateTime} based on this date-time with the nanoseconds added, not null
@throws DateTimeException if the result exceeds the supported date range
Returns a copy of this {@code LocalDateTime} with the specified number of nanoseconds added. !(p) This instance is immutable and unaffected by this method call.
@param nanos the nanos to add, may be negative @return a {@code LocalDateTime} based on this date-time with the nanoseconds added, not null @throws DateTimeException if the result exceeds the supported date range