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diff --git a/common/collection/collection_tools.h b/common/collection/collection_tools.h
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+++ b/common/collection/collection_tools.h
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+/*
+    COLLECTION LIBRARY
+
+    Header file for supplementary functions that provide
+    printing and debugging of collections.
+
+    Copyright (C) Dmitri Pal <dpal@redhat.com> 2009
+
+    Collection Library is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    Collection Library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with Collection Library.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef COLLECTION_TOOLS_H
+#define COLLECTION_TOOLS_H
+
+#include "trace.h"
+#include "collection.h"
+
+#ifdef  HAVE_TRACE
+#define DEBUG_COLLECTION(collection) debug_collection(collection,COL_TRAVERSE_DEFAULT);
+#else
+#define DEBUG_COLLECTION(collection) ;
+#endif
+
+#define COL_TYPE_NAME_STRING     "string"
+#define COL_TYPE_NAME_BINARY     "bin"
+#define COL_TYPE_NAME_INTEGER    "int"
+#define COL_TYPE_NAME_UNSIGNED   "uint"
+#define COL_TYPE_NAME_LONG       "long"
+#define COL_TYPE_NAME_ULONG      "ulong"
+#define COL_TYPE_NAME_DOUBLE     "double"
+#define COL_TYPE_NAME_BOOL       "bool"
+#define COL_TYPE_NAME_UNKNOWN    "unknown"
+
+#define TEXT_COLLECTION "SET"
+#define TEXT_COLLEN 3
+
+#define BLOCK_SIZE 1024
+
+struct serial_data {
+    char *buffer;
+    int size;
+    int length;
+    int nest_level;
+};
+
+
+/* Calculate the potential size of the item */
+int get_data_len(int type, int length);
+
+/* Grow buffer to accomodate more space */
+int grow_buffer(struct serial_data *buf_data, int len);
+
+/* Specail function to add different formatting symbols to the output */
+int put_marker(struct serial_data *buf_data, void *data, int len);
+
+/* Serialization of data user handler */
+int serialize(char *property_in,
+              int property_len_in,
+              int type,
+              void *data_in,
+              int length_in,
+              void *custom_data,
+              int *dummy);
+
+/* Debug handle */
+int debug_handle(char *property,
+                 int property_len,
+                 int type,
+                 void *data,
+                 int length,
+                 void *custom_data,
+                 int *dummy);
+
+/* Convenience function to debug an item */
+int debug_item(struct collection_item *item);
+
+/* Print collection for debugging purposes */
+int debug_collection(struct collection_item *handle,int flag);
+
+/* Print the collection using default serialization */
+int print_collection(struct collection_item *handle);
+
+
+/* Find and print one item using default serialization */
+int print_item(struct collection_item *handle, char *name);
+
+#endif