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diff --git a/src/systemc/ext/core/sc_object.hh b/src/systemc/ext/core/sc_object.hh
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+/*
+ * Copyright 2018 Google, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Gabe Black
+ */
+
+#ifndef __SYSTEMC_EXT_CORE_SC_OBJECT_HH__
+#define __SYSTEMC_EXT_CORE_SC_OBJECT_HH__
+
+#include <iostream>
+#include <string>
+#include <vector>
+
+namespace sc_core
+{
+
+class sc_event;
+class sc_attr_base;
+class sc_attr_cltn;
+
+class sc_object
+{
+  public:
+    const char *name() const;
+    const char *basename() const;
+
+    virtual const char *kind() const;
+
+    virtual void print(std::ostream & =std::cout) const;
+    virtual void dump(std::ostream & =std::cout) const;
+
+    virtual const std::vector<sc_object *> &get_child_objects() const;
+    virtual const std::vector<sc_event *> &get_child_events() const;
+    sc_object *get_parent_object() const;
+
+    bool add_attribute(sc_attr_base &);
+    sc_attr_base *get_attribute(const std::string &);
+    sc_attr_base *remove_attribute(const std::string &);
+    void remove_all_attributes();
+    int num_attributes() const;
+    sc_attr_cltn &attr_cltn();
+    const sc_attr_cltn &attr_cltn() const;
+
+  protected:
+    sc_object();
+    sc_object(const char *);
+    sc_object(const sc_object &);
+    sc_object &operator = (const sc_object &);
+    virtual ~sc_object();
+};
+
+const std::vector<sc_object *> &sc_get_top_level_objects();
+sc_object *sc_find_object(const char *);
+
+} // namespace sc_core
+
+#endif  //__SYSTEMC_EXT_CORE_SC_OBJECT_HH__