Is beginChangeGesture sill needed (JUCE V5.3.x)?

Audio Plugins
2

I believe they only mean this section of that function:

...

if (processor != nullptr && parameterIndex >= 0)
{
    // audioProcessorParameterChangeGestureBegin callbacks will shortly be deprecated and
    // this code will be removed.
    for (int i = processor->listeners.size(); --i >= 0;)
        if (auto* l = processor->listeners[i])
            l->audioProcessorParameterChangeGestureBegin (processor, getParameterIndex());
}

…Effectivly switching to using AudioProcessorParameter::beginChangeGesture() only, which is related to: