Imports go.opentelemetry.io/otel/sdk/trace go.opentelemetry.io/proto/otlp/trace/v1 Imports in module “go.opentelemetry.io/otel/exporters/otlp/otlptrace” go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal/tracetransform Standard library imports context errors sync