public UpdateFlowMediaStreamResult withMediaStream(MediaStream mediaStream) {
        setMediaStream(mediaStream);
        return this;
    }
The media stream that you updated.

@param mediaStream
       The media stream that you updated.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-mediaconnect/src/main/java/com/amazonaws/services/mediaconnect/model/UpdateFlowMediaStreamResult.java