yle="color:#393A34"><span class="token plain">using System.Threading.Tasks;</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">using Paillave.Etl.Core;</span><br></span><span class="token-line" style="color:#393A34"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#393A34"><span class="token plain">namespace SimpleTutorial</span><br></span><span class="token-line" style="color:#393A34"><span class="token pla