in agents/agents-test/src/commonMain/kotlin/ai/koog/agents/testing/feature/TestingFeature.kt [1102:1113]
fun dfs(node: AIAgentNodeBase<*, *>): Boolean {
if (node == to) return true
if (visited.contains(node.name)) return false
visited.add(node.name)
for (edge in node.edges) {
if (dfs(edge.toNode)) return true
}
return false
}