Constructs an instance of {@code Instant} using seconds from the epoch of 1970-01-01T00:00:00Z and nanosecond fraction of second.
@param epochSecond the number of seconds from 1970-01-01T00:00:00Z @param nanos the nanoseconds within the second, must be positive
See Implementation
Constructs an instance of {@code Instant} using seconds from the epoch of 1970-01-01T00:00:00Z and nanosecond fraction of second.
@param epochSecond the number of seconds from 1970-01-01T00:00:00Z @param nanos the nanoseconds within the second, must be positive