Imports github.com/opentracing/opentracing-go gopkg.in/DataDog/dd-trace-go.v1/ddtrace/internal gopkg.in/DataDog/dd-trace-go.v1/ddtrace/tracer github.com/opentracing/opentracing-go/log gopkg.in/DataDog/dd-trace-go.v1/ddtrace gopkg.in/DataDog/dd-trace-go.v1/ddtrace/ext Standard library imports fmt