assertValidDuration
assertValidDuration(
d):asserts d is Duration
Assert that a value is a google.protobuf.Duration message. This function will throw an error
if the value is not a valid Duration message. The range is from -315,576,000,000 to
+315,576,000,000 inclusive. The nanos field must be in the range of -999,999,999 to
+999,999,999 inclusive.
Parameters
Section titled “Parameters”Duration
Returns
Section titled “Returns”asserts d is Duration