NewFrontend creates a new frontend.

NewTimeIntervalIterator returns a new interval iterator.

WithAlignment causes a sub-range start time to be a multiple of the alignment.

Config for a Frontend.

Frontend implements GrpcRoundTripper.

TimeIntervalIterator splits a time range into non-overlapping sub-ranges, where the boundary adjoining on the left is not included, e.g: [t1, t2), [t3, t4), ..., [tn-1, tn].