cannot use (*recordingSpan)(nil) (value of type *recordingSpan) as ReadWriteSpan value in variable declaration: *recordingSpan does not implement ReadWriteSpan (missing method AddLink)

cannot use nonRecordingSpan{} (value of type nonRecordingSpan) as "go.opentelemetry.io/otel/trace".Span value in variable declaration: nonRecordingSpan does not implement "go.opentelemetry.io/otel/trace".Span (missing method AddLink)

impossible type assertion: p.(*recordingSpan)

cannot use tr.newNonRecordingSpan(sc) (value of type nonRecordingSpan) as "go.opentelemetry.io/otel/trace".Span value in return statement: nonRecordingSpan does not implement "go.opentelemetry.io/otel/trace".Span (missing method AddLink)

cannot use tr.newRecordingSpan(psc, sc, name, samplingResult, config) (value of type *recordingSpan) as "go.opentelemetry.io/otel/trace".Span value in return statement: *recordingSpan does not implement "go.opentelemetry.io/otel/trace".Span (missing method AddLink)