Function startTimer

startTimer(
    handler: MetricsHandler,
    operation: OperationType,
    metadata?: Record<string, string | number | boolean>,
): MetricsTimer
Create a metrics timer for an operation
Parameters
- handler: MetricsHandler
- operation: OperationType
- Optionalmetadata: Record<string, string | number | boolean>
Returns MetricsTimer
- Defined in metrics.ts:431