Imports github.com/dimfeld/httptreemux/v5 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp go.opentelemetry.io/otel go.opentelemetry.io/otel/attribute go.opentelemetry.io/otel/propagation go.opentelemetry.io/otel/trace Standard library imports context encoding/json errors fmt net/http os syscall