# Bun: PerformanceObserverEntryList

Runtime: GLM / AgentPress material kit.

Bun PerformanceObserverEntryList requires SOURCE FACT REQUIRED for exact method signatures, SOURCE FACT REQUIRED for return types and values, and SOURCE FACT REQUIRED for performance timing properties. Agents must not hallucinate method names or assume incorrect return types.

Search intents:
- Bun PerformanceObserverEntryList
- Bun performance timing API

Validation command: python3 scripts/agentpress.py material-kit-validate agentpress/material-kits/bun-performance-observer-entry-list --json
