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diff --git a/Firestore/core/src/firebase/firestore/model/resource_path.h b/Firestore/core/src/firebase/firestore/model/resource_path.h
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+/*
+ * Copyright 2018 Google
+ *
+ * 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 FIRESTORE_CORE_SRC_FIREBASE_FIRESTORE_MODEL_RESOURCE_PATH_H_
+#define FIRESTORE_CORE_SRC_FIREBASE_FIRESTORE_MODEL_RESOURCE_PATH_H_
+
+#include <initializer_list>
+#include <string>
+
+#include "Firestore/core/src/firebase/firestore/model/base_path.h"
+#include "absl/strings/string_view.h"
+
+namespace firebase {
+namespace firestore {
+namespace model {
+
+/**
+ * A slash-separated path for navigating resources (documents and collections)
+ * within Firestore. Immutable; all instances are fully independent.
+ */
+class ResourcePath : public impl::BasePath<ResourcePath> {
+ public:
+  ResourcePath() = default;
+  /** Constructs the path from segments. */
+  template <typename IterT>
+  ResourcePath(const IterT begin, const IterT end) : BasePath{begin, end} {
+  }
+  ResourcePath(std::initializer_list<std::string> list) : BasePath{list} {
+  }
+  /**
+   * Creates and returns a new path from the given resource-path string, where
+   * the path segments are separated by a slash "/".
+   */
+  static ResourcePath Parse(absl::string_view path);
+
+  /** Returns a standardized string representation of this path. */
+  std::string CanonicalString() const;
+
+  bool operator==(const ResourcePath& rhs) const {
+    return BasePath::operator==(rhs);
+  }
+  bool operator!=(const ResourcePath& rhs) const {
+    return BasePath::operator!=(rhs);
+  }
+  bool operator<(const ResourcePath& rhs) const {
+    return BasePath::operator<(rhs);
+  }
+  bool operator>(const ResourcePath& rhs) const {
+    return BasePath::operator>(rhs);
+  }
+  bool operator<=(const ResourcePath& rhs) const {
+    return BasePath::operator<=(rhs);
+  }
+  bool operator>=(const ResourcePath& rhs) const {
+    return BasePath::operator>=(rhs);
+  }
+
+ private:
+  ResourcePath(SegmentsT&& segments) : BasePath{std::move(segments)} {
+  }
+
+  // So that methods of base can construct ResourcePath using the private
+  // constructor.
+  friend class BasePath;
+};
+
+}  // namespace model
+}  // namespace firestore
+}  // namespace firebase
+
+#endif