Imports go.opentelemetry.io/otel/label github.com/Shopify/sarama go.opentelemetry.io/otel/api/global go.opentelemetry.io/otel/api/propagation go.opentelemetry.io/otel/api/trace go.opentelemetry.io/otel/codes go.opentelemetry.io/otel/semconv Standard library imports context strconv