Imports github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/trace go.opentelemetry.io/contrib/detectors/gcp go.opentelemetry.io/otel/sdk/resource go.opentelemetry.io/otel/sdk/trace go.opentelemetry.io/otel/semconv/v1.4.0 Standard library imports context fmt