A Duration represents a fixed-length span of time represented
as a count of seconds and fractions of seconds at nanosecond
resolution. It is independent of any calendar and concepts like
"day" or "month". Range is approximately 10,000 years.
Attributes
Name
Description
nanos
int
Span of time that's a fraction of a second at nanosecond
resolution. Durations less than one second are represented
with a 0 seconds field and a positive nanos field.
Must be from 0 to 999,999,999 inclusive.
seconds
int
Span of time at a resolution of a second. Must be from 0 to
315,576,000,000 inclusive. Note: these bounds are computed
from: 60 sec/min \* 60 min/hr \* 24 hr/day \* 365.25
days/year \* 10000 years
