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+// Copyright 2023 The gRPC Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef GRPC_SRC_CORE_LIB_EVENT_ENGINE_REF_COUNTED_DNS_RESOLVER_INTERFACE_H
+#define GRPC_SRC_CORE_LIB_EVENT_ENGINE_REF_COUNTED_DNS_RESOLVER_INTERFACE_H
+
+#include <grpc/support/port_platform.h>
+
+#include <stdint.h>
+
+#include "absl/strings/string_view.h"
+
+#include <grpc/event_engine/event_engine.h>
+
+#include "src/core/lib/gprpp/orphanable.h"
+
+namespace grpc_event_engine {
+namespace experimental {
+
+class RefCountedDNSResolverInterface
+ : public grpc_core::InternallyRefCounted<RefCountedDNSResolverInterface> {
+ public:
+ explicit RefCountedDNSResolverInterface(const char* trace = nullptr,
+ intptr_t initial_refcount = 1)
+ : grpc_core::InternallyRefCounted<RefCountedDNSResolverInterface>(
+ trace, initial_refcount) {}
+
+ virtual void LookupHostname(
+ EventEngine::DNSResolver::LookupHostnameCallback on_resolved,
+ absl::string_view name, absl::string_view default_port) = 0;
+
+ virtual void LookupSRV(
+ EventEngine::DNSResolver::LookupSRVCallback on_resolved,
+ absl::string_view name) = 0;
+
+ virtual void LookupTXT(
+ EventEngine::DNSResolver::LookupTXTCallback on_resolved,
+ absl::string_view name) = 0;
+};
+
+} // namespace experimental
+} // namespace grpc_event_engine
+
+#endif // GRPC_SRC_CORE_LIB_EVENT_ENGINE_REF_COUNTED_DNS_RESOLVER_INTERFACE_H