span data-unresolved-link="kotlinx.serialization.json/JsonObject///PointingToDeclaration/">JsonObject</span><span class="token operator">?</span><span class="token operator"> = </span>EmptyJsonObject<span class="token punctuation">, </span></span><span class="parameter "><span class="token keyword">val </span>roots<span class="token operator">: </span><a href="-roots/index.html">ClientCapabilities.Roots</a><span class="token operator">?</span><span class="token operator"> = </span>null</span></span><span cl