Whether recording is enabled (mirrors enableCallRecording).
Optional endpointEndpoint path (relative to host) for recording POSTs.
Optional fetchInjectable fetch for tests. Defaults to global fetch.
Optional init: RequestInitInjectable fetch for tests. Defaults to global fetch.
Optional init: RequestInitOptional flushInterval (ms) between intermediate flushes.
Optional maxHard cap (bytes) on the in-memory packet buffer.
Optional sampleSample rate (Hz) advertised in the recording envelope.
Optional tracksWhich tracks to record.
Options for the CallRecorder, derived from IClientOptions.