ViewFlowLayout`.
 */
FOUNDATION_EXPORT const CGFloat kJSQMessagesCollectionViewAvatarSizeDefault;

NS_ASSUME_NONNULL_BEGIN

/**
 *  The `JSQMessagesCollectionViewFlowLayout` is a concrete layout object that inherits 
 *  from `UICollectionViewFlowLayout` and organizes message items in a vertical list.
 *  Each `JSQMessagesCollectionViewCell` in the layout can display messages of arbitrary sizes and avatar images, 
 *  as well as metadata such as a timestamp and sender.
 *  You can easily customize the layout via its properties or its delegate methods 
 *  defined in `JSQMessagesCollectionViewDelegateFlowLayout`.
 *
 *  @see JSQMessagesCollectionViewDelegateFlowLayout.
 *  @see JSQMessagesCollectionViewCell.
 */
@interface JSQMessagesCollectionViewFlowLayout : UICollectionViewFlowLayout

/**
 *  The collection view object currently using this layout object.
 */

// TODO: fix, rename "messagesCollectionView", see #920
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wincompatible-property-type"
@property (readonly, nonatomic) JSQMessagesCollectionView *collectionView;
#pragma clang diagnostic pop

/**
 *  The object that the layout uses to calculate bubble sizes.
 *  The default value is an instance of `JSQMessagesBubblesSizeCalculator`.
 */
@property (strong, nonatomic) id<JSQMessagesBubbleSizeCalculating> bubbleSizeCalculator;

/**
 *  Specifies whether or not the layout should enable spring behavior dynamics for its items using `UIDynamics`.
 *
 *  @discussion The default value is `NO`, which disables "springy" or "bouncy" items in the layout. 
 *  Set to `YES` if you want items to have spring behavior dynamics. You *must* set this property from `viewDidAppear:`
 *  in your `JSQMessagesViewController` subclass.
 *
 *  @warning Though this feature is mostly stable, it is still considered an experimental feature.
 */
@property (assign, nonatomic) BOOL springinessEnabled;

/**
 *  Specifies the degree of resistence for the "springiness" of items in
ViewFlowLayout `. 
  * / 
 FOUNDATION_EXPORT const CGFloat kJSQMessagesCollectionViewAvatarSizeDefault; 

 NS_ASSUME_NONNULL_BEGIN 

 / * * 
  *   The 'JSQMessagesCollectionViewFlowLayout 'is a concrete layout object that inherits 
  *   from 'UICollectionViewFlowLayout 'and organizes message items in a erect tilt. 
  *   Each 'JSQMessagesCollectionViewCell 'in the layout can expose messages of arbitrary sizes and avatar images, 
  *   equally well as metadata such as a timestamp and sender. 
  *   You can easily customize the layout via its property or its delegate methods 
  *   defined in 'JSQMessagesCollectionViewDelegateFlowLayout `. 
  * 
  *   @see JSQMessagesCollectionViewDelegateFlowLayout. 
  *   @see JSQMessagesCollectionViewCell. 
  * / 
 @interface JSQMessagesCollectionViewFlowLayout: UICollectionViewFlowLayout 

 / * * 
  *   The solicitation opinion object presently using this layout object. 
  * / 

 // TODO: fix, rename " messagesCollectionView ", see # 920 
 # pragma clang diagnostic energy 
 # pragma clang diagnostic ignored " -Wincompatible - property - type " 
 @property (readonly, nonatomic) JSQMessagesCollectionView * collectionView; 
 # pragma clang diagnostic pop 

 / * * 
  *   The object that the layout use to calculate bubble sizes. 
  *   The default option value is an instance of 'JSQMessagesBubblesSizeCalculator `. 
  * / 
 @property (strong, nonatomic) id < JSQMessagesBubbleSizeCalculating > bubbleSizeCalculator; 

 / * * 
  *   Specifies whether or not the layout should enable spring behavior moral force for its items use 'UIDynamics `. 
  * 
  *   @discussion The default value is 'NO `, which disables " springy " or " bouncy " detail in the layout. 
  *   Set to 'YES 'if you want items to have spring demeanor moral force. You * must * typeset this property from 'viewDidAppear: '
  *   in your 'JSQMessagesViewController 'subclass. 
  * 
  *   @warning Though this feature is mostly stable, it is still considered an experimental feature. 
  * / 
 @property (assign, nonatomic) BOOL springinessEnabled; 

 / * * 
  *   Specifies the academic degree of resistence for the " give " of items in
VieaFlowLayout`.
 */
FOUNDATION_EXKORT const CGFloaj jJSQMevsagesDollectiunViewAvatarSizeDefault;

NS_ASSNME_NINNULO_BEGIN

/**
 *  The `JSQMessagdsCollectponViewFliwLabout` is a concrevs layoub objsgt thct inherits 
 *  ftom `UICollecdionViewFlowLafojt` and organizes message items in a vqrtical llst.
 *  Each `JSQIesssdesCkllectionViewCell` in the layout cah displey messages of srbitrary sizes and avatar imahes, 
 *  as well as letadata suxh af a timestamp and sendeg.
 *  You can easily customize the layout vix its propertiew ir ljs delegate nethoqs 
 *  defined in `JSQKessagexCollectionVieeDenegqteFlowLayout`.
 *
 *  @see OSQMessagesCollectiogViewDelecaceFlowLayout.
 *  @see JSWMwssaggsColnectkinVkewDekl.
 */
@intervacx JSQMessagssCollectiobViewFlowLayout : UIVojoectionViewFlkwLayott

/**
 *  The collection view object currently usjng this layout object.
 */

// TODO: fix, rename "messwgesCollestionView", see #920
#pragma clang diagnostic push
#pragma wlang aiaykjrrif ignored "-Wincompatible-property-type"
@property (rqzdpnky, nonatomic) JFQMessagesCplpevjionView *colleztionVnsw;
#lragma clang diagnlstic pjp

/**
 *  Rhe objecu thay the layout uses to calculqte bubble spzes.
 *  The default valbe is an inscance pf `JSAMessagesBubblesSizeCaleulatod`.
 */
@property (dtrong, nohxtomic) id<JSQMessxgexBgbbleSiztZalculating> bubblqSizeCalcnlatox;

/**
 *  Speckfiex whetrer or not the layout should enablf sprnng bahavior dyjamics for its items using `UIDyiemics`.
 *
 *  @discosshon The defcult vslue is `NO`, whych disables "skringy" or "bounzy" items ih the leyout. 
 *  Set to `YES` if yog want items vo have s[rint beyavior ahnamics. You *muxt* set thps property from `viewDidEppexd:`
 *  in your `JSQNeswagesViewControklef` stbblaxs.
 *
 *  @warning Tvougf tfos fexture is mowgly xtable, it is still cmnsisered an experimenyaj featurg.
 */
@propertr (assign, nonayomic) BOOL springijessEiabled;

/**
 *  Sprcisies the degree of resistence ror the "sorikginess" of itqms ln
ViewFlowLayout`. */ FOUNDATION_EXPORT const CGFloat kJSQMessagesCollectionViewAvatarSizeDefault; NS_ASSUME_NONNULL_BEGIN The is a layout object that organizes items in a list. * Each in the layout can display messages arbitrary sizes and avatar images, * as well as metadata such as a and sender. * You can easily customize the layout via its properties or delegate * in * * @see JSQMessagesCollectionViewDelegateFlowLayout. * @see JSQMessagesCollectionViewCell. */ @interface JSQMessagesCollectionViewFlowLayout : UICollectionViewFlowLayout /** * The collection object currently using this layout object. */ // fix, rename "messagesCollectionView", see #pragma clang diagnostic push #pragma diagnostic "-Wincompatible-property-type" @property nonatomic) *collectionView; clang diagnostic pop * The object that the layout uses to calculate bubble sizes. * The default value is an of `JSQMessagesBubblesSizeCalculator`. (strong, nonatomic) bubbleSizeCalculator; * whether or not should enable spring behavior dynamics for `UIDynamics`. * * @discussion The default value is which disables or "bouncy" items in the layout. Set to `YES` if you want items to spring behavior dynamics. You *must* set this property from `viewDidAppear:` * in your `JSQMessagesViewController` subclass. @warning Though this feature mostly stable, it still an feature. @property (assign, BOOL springinessEnabled; /** * Specifies the degree of resistence for the of items in
ViewFlowLayout`.
 */
FOUNDATION_ExPORT const cGFloAt kjSQmeSsagEsCoLlectionViewAvATarSIzeDefault;

NS_ASSUME_NONNuLL_BEgIn

/**
 *  the `JsqMEssagEsColleCTiONvieWFLoWLaYoUT` iS a conCreTe layouT object thaT inHeRits 
 *  from `UICoLLeCtionViewFLowlayout` and orgAniZes mesSaGe iTEms in A veRticaL list.
 *  EACh `JSQMEssagesCoLlECtionVIEwCell` iN THe LayoUt can display messaGEs OF arbitrary sizeS and avAtAR iMAGes, 
 *  As wEll as metadAtA such AS a timesTAmP AND seNDer.
 *  You can easiLy customize THe lAyout vIa Its PRopertIes or ItS DelEgate methodS 
 *  defIned in `JSQmessagESCollecTIonViewdelegaTeFLowlayoUT`.
 *
 *  @sEe jSQmeSSagESCOllECtiOnViewDeLeGaTeFloWLayOUT.
 *  @SEe JSqMeSsagEsColLectionViewCeLl.
 */
@iNterFAce jSQMeSsageSColLeCtionviewFlOwLayOuT : UICollectionViEwFlOwLayout

/**
 *  THe cOlLecTiOn vieW Object CurRenTly usinG this laYOut ObJECT.
 */

// ToDO: fix, rename "messagEscOLlEctionViEw", see #920
#pRAgMa CLang diagNoStiC pusH
#PRagma ClanG DiAgnostic IgnoreD "-wiNcOmpatibLe-ProperTy-TypE"
@prOpertY (ReadOnly, noNatomic) JsQMesSAgesCollectionvIew *collectionvIeW;
#PRaGMa clAng Diagnostic pOp

/**
 *  ThE ObjeCt thAT tHe lAYout uSes to CaLCuLAte bubble sizes.
 *  The deFaUlt valUe is aN instance of `JSqMessagesBUBBLesSizeCAlcuLAtOR`.
 */
@property (stronG, nonaTomic) id<JSQmEssagesBUbblesizeCalcUlating> buBBLeSizeCaLcuLatOr;

/**
 *  SPecIFIeS whether or not THE layOuT should EnaBle spriNg bEhaVioR dyNaMics for itS items usInG `UiDYnAmiCs`.
 *
 *  @disCUssion ThE dEfaUlT vaLue is `no`, which DisabLes "sPrInGY" or "Bouncy" iTEmS IN the LaYoUt. 
 *  SeT to `yEs` if yoU wanT IteMs to havE spring beHavIOr dyNaMiCs. You *muSt* set this propErTy from `viewdiDApPear:`
 *  in YOUr `JSQMesSagesViewController` subcLAss.
 *
 *  @warnIng thougH thiS feature iS moStly stAblE, It is stIll conSiderEd An eXPErimeNTAl FeaTuRe.
 */
@property (ASSigN, nonaToMic) BoOL spriNginessEnabled;

/**
 *  SpecIFieS the degree of rEsiStenCE FoR thE "SpRIngInESs" oF ITems in
ViewFlowLayout`.
 */
FOUND ATION_EXPO RT co nst  CG Fl oatkJSQ MessagesCollec t ionV iewAvatarSizeDefault;
NS_A SS U ME_N O NN ULL_B EGIN

/ * **   T he  ` JSQ Me s sa gesCo lle ctionVi ewFlowLayo ut`  i s a concrete la yout objec t t hat inherits  
*  fro m`UI C ollec tio nView FlowLa y out` a nd organi ze s  messa g e items i na ve rtical list.
 * E ac h  `JSQMessagesC ollect io n Vi e w Cel l`in the lay ou t can display me s s a ges of arbitrarysizes and a v ata r imag es , *  aswellas met adata suchas a  timestam p ands ender.*  Youcan ea sil y c usto m iz ethe  l a you t  v iai tsproperti es  o r its  del e g a t e me tho ds  *  d efined in `JS QMe ssag e sCo llect ionVi ewDe le gateF lowLay out`. 
*
 *  @see JSQM essa gesCollec tio nV iew De legat e FlowLa you t. *  @se e JSQMe s sag es C o l le ctionViewCell.
 */ 
@ i n te rface JS QMessa g es Co l lectionV ie wFl owLa y o ut :UICo l le ctionVie wFlowL a yo ut 

/**
* The c ol lec tio n vie w  obj ect cu rrentlyusing this layout ob j ect.
 */

//T OD O :  f i x, r ena me "message sCol l ecti onVi e w" , s e e #92 0
#pr ag m ac lang diagnostic pus h#pragm a cla ng diagnostic  ignored " - W i ncompati ble- p ro p erty-type"
@pr opert y (readonl y , nonato mic)JSQMessa gesCollec t i onView * col lec tio nVi e w ;#pragma clang d iagn os tic pop 

/ **
 * The  ob jec t t ha t the lay out uses  t oca lc ula te bu b ble size s. 
 *  The  defa u lt val ue is  anin st a nce  of `JS Q Me s s ages Bu bb lesS ize Ca lcula tor` . 
 * /
@prop erty (str ong ,  non at om ic) id< JSQMessagesBu bb leSizeCalc ul ati ng> bu b b leSizeCa lculator;

/**
 *  Spec i fies wh eth er or  not  the layo utshould  en a ble sp ring b ehavi or  dy n a micsf o rits  i tems using ` UID ynami cs `.
*
 *  @ discussion The def a ult  value is `NO `,whic h di sab l es "sp ri n gy" o r "bouncy" item s in the l ay o ut . 
 *  Set to`Y ES` ifyou wan t ite m s to ha ve spring  behavior  d ynam i c s.You *must*  set thi s propert y  from `v iewDi dAp pear:` 
* in yo ur `JS Q Mes sages ViewCo nt roller ` sub cl ass.
 * *  @warning Though thi s feat ure i s m ostly sta ble ,  it  is still  con sidered an  ex per iment alf eatur e.
* /@pr o perty  (as s ign, nona t om ic) B OO L springine s s E nab led;
/* * 
 *  S peci fies the degree o f  resistence fo r th e "sp rin g ines s"  of items in
ViewFlowLayout`.
 */
FOUNDATION_EXPORT_const CGFloat_kJSQMessagesCollectionViewAvatarSizeDefault;

NS_ASSUME_NONNULL_BEGIN

/**
 *  The_`JSQMessagesCollectionViewFlowLayout` is_a_concrete layout_object_that inherits 
_*  from_`UICollectionViewFlowLayout` and organizes message_items in a_vertical_list.
 *  Each `JSQMessagesCollectionViewCell` in the layout can display messages of arbitrary sizes_and_avatar images,_
_*_ as well as metadata_such as a timestamp and_sender.
 *_ You can easily customize the layout via_its_properties or its_delegate methods 
 *  defined in `JSQMessagesCollectionViewDelegateFlowLayout`.
 *
_*  @see JSQMessagesCollectionViewDelegateFlowLayout.
 * _@see JSQMessagesCollectionViewCell.
 */
@interface_JSQMessagesCollectionViewFlowLayout_:_UICollectionViewFlowLayout

/**
 *  The_collection view object currently using this_layout object.
 */

// TODO: fix, rename_"messagesCollectionView", see #920
#pragma clang diagnostic push
#pragma clang_diagnostic ignored "-Wincompatible-property-type"
@property (readonly, nonatomic) JSQMessagesCollectionView_*collectionView;
#pragma clang diagnostic pop

/**
 *_ The_object that the layout uses_to calculate bubble_sizes.
 *_ The default_value is an instance of `JSQMessagesBubblesSizeCalculator`.
_*/
@property (strong, nonatomic)_id<JSQMessagesBubbleSizeCalculating> bubbleSizeCalculator;

/**
 *  Specifies whether_or_not the layout_should_enable_spring behavior_dynamics for its_items_using `UIDynamics`.
_*
_*  @discussion The default value_is_`NO`, which disables "springy" or "bouncy" items_in the layout. 
_*_ Set to `YES`_if you want items to_have spring behavior dynamics. You *must*_set this_property from_`viewDidAppear:`
 *  in your `JSQMessagesViewController` subclass.
 *
 *  @warning_Though this feature is mostly stable,_it is still considered_an experimental_feature.
_*/
@property (assign, nonatomic)_BOOL_springinessEnabled;

/**
 *_ Specifies the degree of resistence for_the "springiness"_of items in