explicit

Imports

• go.opentelemetry.io/otel/metric
• go.opentelemetry.io/otel/metric/sdkapi
• go.opentelemetry.io/otel/sdk/export/metric
• go.opentelemetry.io/otel/sdk/metric/aggregator/histogram
• go.opentelemetry.io/otel/sdk/metric/aggregator/lastvalue
• go.opentelemetry.io/otel/sdk/metric/aggregator/sum

Standard library imports

• sync