Imports go.opentelemetry.io/otel/api/metric go.opentelemetry.io/otel/semconv go.opentelemetry.io/otel/label go.opentelemetry.io/otel/api/unit github.com/gocql/gocql go.opentelemetry.io/otel/api/global go.opentelemetry.io/otel/api/trace Standard library imports context log net time