21     stream_ << "{";  in JSONWriter()
27       stream_ << ", ";  in AddKey()
29     stream_ << "\"" << key << "\": ";  in AddKey()
37       stream_ << ", ";  in AddValue()
39     stream_ << "\"" << value << "\"";  in AddValue()
50       stream_ << ", ";  in AddValue()
52     stream_ << value;  in AddValue()
63     stream_ << "[";  in StartArray()
71     stream_ << "]";  in EndArray()
78     stream_ << "{";  in StartObject()
84     stream_ << "}";  in EndObject()
92       stream_ << ", ";  in StartArrayedObject()
103   std::string Get() const { return stream_.str(); }  in Get()
135   std::ostringstream stream_;  variable