OptionalcardinalityLimits?: {The backing exporter for the metric reader.
OptionalexportIntervalMillis?: numberAn internal milliseconds for the metric reader to initiate metric collection.
OptionalexportTimeoutMillis?: numberMilliseconds for the async observable callback to timeout.
Optional ExperimentalmetricProducers?: metrics.MetricProducer[]Note, this option is experimental. Additional MetricProducers to use as a source of aggregated metric data in addition to the SDK's metric data. The resource returned by these MetricProducers is ignored; the SDK's resource will be used instead.
Cardinality limits for the metric reader, applied per instrument. If not configured, defaults to 2000 time series per instrument. These are wrapped in a cardinalitySelector function that returns limits based on the instrument type, so they can be configured differently per type if desired.