main
perf_hooks: sample delay per event loop iteration
lib: enforce use of trailing commas for functions
src,lib: optimize nodeTiming.uvMetricsInfo
lib: add lint rule to enforce use of `kEmptyObject`
lib: refactor internal webidl converters
lib: rename `validateInternalField` into `validateThisInternalField`
tools: add lint rule to keep primordials in ASCII order
perf_hooks: performance milestone time origin timestamp improvement