Imports github.com/99designs/gqlgen/graphql github.com/99designs/gqlgen/graphql/handler/extension github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/trace go.opentelemetry.io/otel go.opentelemetry.io/otel/attribute go.opentelemetry.io/otel/sdk/trace Standard library imports context fmt