ModifyThrottlePeriod - used for testing.

VerifyAndParseGenericMetrics parses a metric provided as an interface into a proton.ObservabilityMetric type.

EventLoopError - should always be kept last when inserting new keys.

Sender - interface maps to the observability service methods, so we can easily pass them down to relevant components.

DistinctionErrorTypeEnum - maps to the specific error schema for which we want to send a user update.