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/*
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Presence Service Connection group member subscription implementation.
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*
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*/
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#ifndef CPSCGROUPCONTENTSUBSCRIPTIONITEM_H
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#define CPSCGROUPCONTENTSUBSCRIPTIONITEM_H
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#include <e32base.h>
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#include "presenceinfoimp.h"
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#include "ximpsubscriptionitembase.h"
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#include "presencetypehelpers.h"
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class MXIMPItemParentBase;
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class MXIMPPscContext;
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class CDesC16Array;
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class MXIMPIdentity;
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class CXIMPIdentityImp;
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class MGroupContentEventObserver;
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/**
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* PSC group list subscription implementation
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*
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* @since S60 v3.2
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*/
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class CGroupContentSubscriptionItem : public CXIMPSubscriptionItemBase
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{
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public: // Construction and destruction
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/**
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* Construction
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* @param aParent. Parent has to be informed when this object is deleted by RemoveMe method.
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*/
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static CGroupContentSubscriptionItem* NewLC( MXIMPItemParentBase& aParent,
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const CXIMPIdentityImp& aGroupId );
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/**
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* Destruction
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* - Remember to inform parent about delete.
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*/
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virtual ~CGroupContentSubscriptionItem();
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private: // Construction and destruction
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/**
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* Construction
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* @param aParent. Parent has to be informed when this object is deleted by RemoveMe method.
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*/
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CGroupContentSubscriptionItem( MXIMPItemParentBase& aParent );
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/**
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* Construction
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*/
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void ConstructL( const CXIMPIdentityImp& aGroupId );
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public: // New methods
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/**
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* Add subscriber for group content if it hasn't subscribed already.
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* @param aContext. Context to be added.
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*/
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IMPORT_C void AddOrRenewSubscriberL( MXIMPPscContext* aContext );
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/**
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* Set the new list of members. Will create and set
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* the temporary lists for added, removed and updated lists.
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* Ownership is transferred!
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* @param aMemberList The list of groups
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*/
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IMPORT_C void SetNewListL( RPrGrpMemInfoImpArray* aMemberList );
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/**
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* Set the added list of members.
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* Ownership is transferred!
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* @param aMemberList The list of groups
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*/
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IMPORT_C void SetAddedListL( RPrGrpMemInfoImpArray* aMemberList );
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/**
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* Set the removed list of members. Will set
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* other lists accordingly.
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* Ownership is transferred!
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* @param aMemberList The list of groups
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*/
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IMPORT_C void SetRemovedListL( RPrGrpMemInfoImpArray* aMemberList );
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/**
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* Used as method for TLinearOrder when ordering items.
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* @param aA First object for ordering.
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* @param aB Second object for ordering.
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* @return Order of params like compare function( -1 0 1 )
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*/
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IMPORT_C static TInt Order( const CGroupContentSubscriptionItem& aA,
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const CGroupContentSubscriptionItem& aB );
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/**
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* Used as method for TLinearOrder when ordering items.
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* @param aA First object used as key for ordering.
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* @param aB Second object for ordering.
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* @return Order of params like compare function( -1 0 1 )
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*/
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IMPORT_C static TInt IdentityOrder( const CXIMPIdentityImp* aA,
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const CGroupContentSubscriptionItem& aB );
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/**
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* Access to group id.
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* @return Group id.
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*/
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IMPORT_C const CXIMPIdentityImp& GroupId() const;
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/**
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* Remove the temporary lists.
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*/
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IMPORT_C void Clean();
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/**
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* Check if group member exists.
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* @param aMemberInfo Group member to check
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* @return ETrue if group member exists. EFalse if not.
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*/
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IMPORT_C TBool GroupMemberExistsL( CPresentityGroupMemberInfoImp& aMemberInfo ) const;
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/**
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* Check if group member is updated.
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* @param aMemberInfo Group member to check
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* @return ETrue if group member updated. EFalse if not.
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*/
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IMPORT_C TBool IsGroupMemberUpdatedL( CPresentityGroupMemberInfoImp& aMemberInfo ) const;
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public: // Methods for accessing array of current members
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/**
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* Count of current members
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* @return Count of current members
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*/
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TInt MemberCount() const;
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/**
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* Access member in index.
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* @param aIndex. Index of group member info to get.
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* @return Group member info from index.
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*/
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CPresentityGroupMemberInfoImp& MemberAt( TInt aIndex );
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/**
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* Register event observer
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* @param aEvent Observer New observer to observe events.
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*/
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void RegisterEventObserverL( MGroupContentEventObserver* aEventObserver );
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/**
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* Unregister event observer
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* @param aEventObserver Canceling observer.
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*/
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void UnregisterEventObserver( MGroupContentEventObserver* aEventObserver );
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public: // From MXIMPSubscriptionItem
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/**
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* @see MXIMPSubscriptionItem
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*/
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void SynthesiseSubscriptionEventToL( MXIMPPscContext* aContext, TBool aForceEvent );
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/**
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* @see MXIMPSubscriptionItem
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*/
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void SynthesiseSubscriptionEventToAllCtxsL();
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private: // From CXIMPSubscriptionItemBase
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/**
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* @see CXIMPSubscriptionItemBase
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*/
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void CleanExpired();
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private: // Helper methods
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/**
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* Inform observer about change.
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*/
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void InformObserversL();
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private: // Data
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/**
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* Group identity
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* Own.
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*/
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CXIMPIdentityImp* iGroupId;
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/**
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* Current members.
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* Own.
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*/
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RPrGrpMemInfoImpArray* iCurrentMembers;
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/**
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* List of added members (new since last update).
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* Own.
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*/
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RPrGrpMemInfoImpArray* iAdded;
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/**
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* List of removed members (removed since last update).
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* Own.
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*/
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RPrGrpMemInfoImpArray* iRemoved;
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/**
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* List of updated members (same as in last update).
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* Own.
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*/
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RPrGrpMemInfoImpArray* iUpdated;
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/**
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* Event observers of subscription item.
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*/
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RPointerArray< MGroupContentEventObserver > iEventObservers;
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};
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/* ======================================================================== */
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#endif // CPSCGROUPCONTENTSUBSCRIPTIONITEM_H
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