`TZeroCrossingTuner`
pl	ro	SampleRate
pl	ro	DownSampleFilterOrder
pl	ro	MinimumFrequency
pl	ro	MaximumFrequency
pl	ro	SmoothFactor

`TCustomZeroCrossingTuner`
		SmoothFactor

`TCustomDownsampledTuner`
		DownSampleFilterOrder
		DownSampleBandwidth
		MaximumFrequency
		MinimumFrequency

`TCustomTuner`
	ro	CurrentFrequency

`TDspSampleRatePersistent`
		SampleRate

`TDspPersistent`

`TNotifiablePersistent`
pt	ro	UpdateCount

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