group-strategy/index.html">GroupStrategy</a><span class="token operator"> = </span>GroupStrategy.TimeWindow(100, 250.milliseconds)</span></span><span class="token punctuation">)</span><span class="token operator">: </span><span data-unresolved-link="kotlinx.coroutines.flow/Flow///PointingToDeclaration/">Flow</span><span class="token operator">&lt;</span><span class="token keyword"></span><span data-unresolved-link="co.elastic.clients.elasticsearch.core.bulk/BulkResponseItem///PointingToDeclaration/">BulkRes