Reasoning About a Framework You've Never Used

Partway through a system-design interview, the interviewer says: "Have you used [a made-up framework name]? It markets itself as 'a declarative graph runtime for building retrieval-augmented agents with built-in evaluation hooks.'" You have never heard of it.

Walk through how you would reason about this framework live in the interview without bluffing familiarity, using only the description given, and say what you would and wouldn't commit to claiming about it.