Imports go.opentelemetry.io/otel go.opentelemetry.io/otel/attribute go.opentelemetry.io/otel/codes go.opentelemetry.io/otel/sdk/instrumentation go.opentelemetry.io/otel/sdk/resource go.opentelemetry.io/otel/semconv/v1.7.0 go.opentelemetry.io/otel/trace Standard library imports context crypto/rand encoding/binary errors fmt math/rand os reflect runtime runtime/trace strconv strings sync sync/atomic time