OptionalcacheA method used to load timeline events from a cache
OptionaleventThe event store receiving all incoming events
OptionallimitThe maximum events requested per filter in one network batch, default 100
OptionallivenessA tracker receiving relay request failures and successes, so failing relays can be removed from the relay set
OptionalloggerThe logger to extend
OptionalonA callback receiving coverage changes for each source and filter
OptionalprefetchThe number of events to buffer past each side of the visible window per source and filter, default the limit; zero disables prefetch
OptionalresponseThe time in milliseconds a source may stay silent across requests before it is treated as failing, default 10000
OptionalretryThe delay in milliseconds before retrying a failed range, doubled for each consecutive failure up to five minutes, default 5000
Options for timeline loaders with a store and optional cache