What does Pashinyan mean by the 4th Republic?

RA Prime Minister Nikol Pashinyan addressed the question of what he means by the 4th Republic today in the National Assembly, reports "Haykakan Zhamnak".

First, he clarified where that talk originated from.

"The dating of those Republics, in fact, I know the example of France and, in fact, when in the case of France, the 1st-5th Republics are dated, the change of law and order is generally meant. I want no confusion to arise, that is, we are talking about this logic in the context that we talked about, because many people think that something should be deleted or created", answering the question of Sona Ghazaryan, deputy of the "Civil Contract" faction. What is the 4th Republic?