Summarize a Large File in Plain Language

Use Copilot to summarize the purpose of a complex file in a short human-readable description.

category:documentation

summarization

onboarding

Prompt

Summarize the following file in 3–5 sentences aimed at a developer seeing it for the first time.
  
  Focus on:
  - What the code is responsible for.
  - How it fits into a larger system.
  - Any important side effects or external dependencies.
  
  File:
  
  [Paste file here]