As per the [spec ](https://github.com/open-telemetry/opentelemetry-specification/blob/master/specification/trace/sdk.md#sampler), collections of links associated with span need to be passed as argument to Sampler. This needs to be fixed. This is dependent on #319
As per the spec , collections of links associated with span need to be passed as argument to Sampler. This needs to be fixed.
This is dependent on #319