OptionalbatchFlush after this many events.
OptionalcircuitConsecutive failures before circuit breaker opens.
The emit function that writes a batch to the target.
OptionalflushFlush after this many milliseconds of inactivity.
OptionalmaxMaximum buffered events before dropping.
OptionalmaxMaximum retry attempts for failed flushes.
OptionalretryInitial retry delay in ms (exponential backoff).
Configuration for the batching sink wrapper.