Converts an offset into the logical offset from the tail of a topic.
\p offset is the (positive) number of items from the end.
the logical offset for message \p offset from the tail, this value
may be passed to Consumer::start, et.al.
Note: The returned logical offset is specific to librdkafka.
Converts an offset into the logical offset from the tail of a topic.
\p offset is the (positive) number of items from the end.
the logical offset for message \p offset from the tail, this value may be passed to Consumer::start, et.al. Note: The returned logical offset is specific to librdkafka.