The requested time specification - this can be a time range or
a specific run_time.
Specific run_time for a transfer run to be started. The
requested_run_time must not be in the future.
Classes
TimeRange
A specification for a time range, this will request transfer runs with
run_time between start_time (inclusive) and end_time (exclusive).
End time of the range of transfer runs. For example,
"2017-05-30T00:00:00+00:00". The end_time must not be in
the future. Creates transfer runs where run_time is in the
range betwen start_time (inclusive) and end_time (exlusive).
