/**

	     * Start transaction in repository. 

	     * Note. Function leaves two cleanup items to cleanupstack and those

	     * are freed when CommitTransaction or RollbackTransaction is called.

	     *

	     * @since S60 v3.2

	     */

	    IMPORT_C void BeginTransactionL();

	    /**

	     * Commit changes in repository

	     *

	     * @since S60 v3.2

	     * @return An error code

	     */

	    IMPORT_C TInt CommitTransaction();

	    /**

	     * Rollback changes in repository

	     *

	     * @since S60 v3.2

	     */

	    IMPORT_C void RollbackTransaction();

	    /**

	     * Store new entry to table.

	     *

	     * @since S60 v3.2

	     * @param aEntryId Contains new ID when returns.

	     * @param aArray Container for properties of this entry.

	     */

	    IMPORT_C void AddEntryL(  TInt& aEntryId, const RIpAppPropArray& aArray );

	    /**

	     * Search entry by entry ID. 

	     *

	     * @since S60 v3.2

	     * @param aEntryId Id of requested entry

	     * @param aArray on return, property array.

	     * @return error code, KErrNotFound if unknown entry.

	     */

	    IMPORT_C TInt FindEntryL( TInt aEntryId, RIpAppPropArray& aArray );

	    /**

	     * Updates entry to central repository

	     *

	     * @since S60 v3.2

	     * @param aEntryId Id of requested entry

	     * @param aArray Updated properties of entry

	     * @return error code, KErrNotFound if unknown entry.

	     */

	    IMPORT_C TInt UpdateEntryL( TInt aEntryId, 

	                                const RIpAppPropArray& aArray );

	    /**

	     * Deletes settings entry from storage by entry ID.

	     *

	     * @since S60 v3.2

	     * @param aEntryId Id of entry which is going to be deleted

	     * @return error code, KErrNone if delete succeeded, otherwise system wide error code

	     */

	    IMPORT_C TInt DeleteEntryL( TInt aEntryId );

	    /**

	     * Search property of entry from storage.

	     *

	     * @since S60 v3.2

	     * @param aEntryId The entry ID of requested entry

	     * @param aPropertyName property name to be found

	     * @param aProperty on return, requested property

	     * @return error code, KErrNone if succeeded, otherwise system wide error code

	     */

	    IMPORT_C TInt FindPropertyL( TInt aEntryId, 

         	                         TUint32 aPropertyName,

	                                 CCenRepDatabaseProperty& aProperty );

	    /**

	     * Add or update properties of entry in table.

	     * Values of existing properties are overwritten.

	     *

	     * @since S60 v3.2

	     * @param aEntryId The ID of updated entry

	     * @param aArray new properties to be added or updated

	     */

	    IMPORT_C TInt AddOrUpdatePropertiesL( TInt aEntryId, 

	                                          const RIpAppPropArray& aArray );

	    /**

	     * Delete properties of entry in table.

	     *

	     * @since S60 v3.2

	     * @param aEntryId The entry ID of requested entry

	     * @param aNameArray name of properties to be deleted

	     * @return error code, KErrNotFound if unknown entry.

	     */

	    IMPORT_C TInt DeletePropertiesL( TInt aEntryId,

	                                     const RArray<TUint32>& aNameArray );

	    /**

	     * Return count of entries in table.

	     *

	     * @since S60 v3.2

	     * @return Count of stored settings.

	     */

	    IMPORT_C TInt EntryCountL( TInt& aCount );

	    /**

	     * Search all entry IDs from storage

	     *

	     * @since S60 v3.2

	     * @param aEntryIds An array containing returned entry IDs

	     * @return error code

	     */

	    IMPORT_C TInt FindEntryIdsL( RArray<TInt>& aEntryIds );

	    /**

	     * Find entry IDs with same properties

	     *

	     * @since S60 v3.2

	     * @param aPropertyArray property array

	     * @param aEntryIds on return, entry Ids with same properties

	     * @return error code

	     */

	    IMPORT_C TInt FindEntryIdsFromPropertiesL( const RIpAppPropArray& aPropertyArray, 

	                                               RArray<TInt>& aEntryIds );

	    /**

	     * Release semaphore, this function is used in custom cleanup

	     * 

	     * @since S60 v3.2

	     * @param aPtr Pointer to an object which is the target of the cleanup operation

	     */

	    /**

	     * Release semaphore

	     * 

	     * @since S60 v3.2

	     */

	    /**

	     * Set new value for given key. Creates the key if it doesn't exists.

	     *

	     * @since S60 v3.2

	     * @param aKey

	     * @param aValue

	     */

	    /**

	     * Create new ID for entry.

	     *

	     * @since S60 v3.2

	     * @param aNewId Contains new ID when return.

	     */

	    /**

	     * Defines next available key for ID.

	     *

	     * @since S60 v3.2

	     * @return New key for ID

	     */

	    /**

	     * Update given properties of entry.

	     *

	     * @since S60 v3.2

	     * @param aIdKey

	     * @param Array Contains updated properties and values

	     */

	    /**

	     * Check if entry has given properties.

	     *

	     * @since S60 v3.2

	     * @param aEntryId Id of entry.

	     * @param aPropertyArray Properties to be checked.

	     */

	    /**

	     * Custom cleanup for array.

	     *

	     * @since S60 v3.2

	     * @param aPointer

	     */

	    /**

	     * Central Repository object.

	     * Own.

	     */

	    CRepository* iRepository;

	    /**

	     * RSemaphore object.

	     * Own.

	     */

	    RSemaphore iSemaphore;

	    /**

	     * Start key in first column( Id column )

	     */

	    TUint32 iStartKey;

	    /**

	     * Column increment

	     */

	    TUint32 iColIncrement;

	    /**

	     * Column mask

	     */

	    TUint32 iColMask;

	    /**

	     * Id counter key

	     */

	    TUint32 iIdCounterKey;

	    /**

	     * Column count

	     */

	    TInt iColCount;