# Constants
Well-known metric names.
Well-known metric names.
Well-known metric names.
Well-known metric names.
Well-known metric names.
Well-known metric names.
Well-known metric names.
Well-known metric names.
Well-known metric names.
Well-known metric names.
Well-known metric names.
Well-known metric names.
Well-known metric names.
Well-known metric names.
Well-known metric names.
# Interfaces
Counter defines the interface for a monotonic increasing counter.
Histogram defines the interface for a histogram with hardcoded percentiles.
Metrics defines the interface for a collection of performance metrics in the policy engine.
Timer defines the interface for a restartable timer that accumulates elapsed time.