scribes how to configure Istio proxy extensions." href=/v1.7/docs/reference/config/proxy_extensions/>Proxy Extensions</a><ul role=group aria-expanded=false class=leaf-section><li role=none><a role=treeitem title="Configuration for Stats Filter." href=/v1.7/docs/reference/config/proxy_extensions/stats/>Stats Config</a></li><li role=none><a role=treeitem title="Configuration for Stackdriver filter." href=/v1.7/docs/reference/config/proxy_extensions/stackdriver/>Stackdriver Config</a></li><li role=none><a role