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diff --git a/libical/src/libicalss/icalspanlist_cxx.h b/libical/src/libicalss/icalspanlist_cxx.h
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+++ b/libical/src/libicalss/icalspanlist_cxx.h
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+/* -*- Mode: C++ -*- */
+
+/**
+ * @file     icalspanlist_cxx.h
+ * @author   Critical Path
+ * @brief    C++ class wrapping the icalspanlist data structure
+ *
+ * This class wraps the icalspanlist routines in libicalss
+ *
+ * Errors within libicalss are propagated via exceptions of type
+ * icalerrorenum.  See icalerror.h for the complete list of exceptions
+ * that might be thrown.
+ */
+
+#ifndef ICALSPANLIST_CXX_H
+#define ICALSPANLIST_CXX_H
+
+#include "ical.h"
+#include "icalss.h"
+#include "vcomponent.h"
+#include <vector>		/* For as_matrix.. */
+
+class ICalSpanList {
+ public:
+  /** Construct an ICalSpanList from an icalset */
+  ICalSpanList(icalset *set, icaltimetype start, icaltimetype end) throw(icalerrorenum);
+
+  /** Construct an ICalSpanList from the VFREEBUSY chunk of a icalcomponent */
+  ICalSpanList(icalcomponent *comp) throw(icalerrorenum);
+
+  /** Construct an ICalSpanList from the VFREEBUSY chunk of a vcomponent */
+  ICalSpanList(VComponent &comp) throw(icalerrorenum);
+
+  /** Destructor */
+  ~ICalSpanList();
+
+  /** Return a VFREEBUSY icalcomponent */
+  VComponent* get_vfreebusy(const char *organizer, const char *attendee) throw(icalerrorenum);
+
+  /** Return the base data when casting */
+  operator icalspanlist*()    {return data;}
+
+  /** Return a vector of the number of events over delta t */
+  std::vector<int> as_vector(int delta_t) throw(icalerrorenum);
+
+  /** Dump the spanlist to stdout */
+  void dump()                 {icalspanlist_dump(data);}
+
+ private:
+  icalspanlist *data;
+};
+
+#endif