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/** @page sound-signals Sound Signals

 @signals
  @signal playing-sound-event
 @endsignals

 @see sound.h

 <hr>

 @signaldef playing-sound-event
  @signalproto
gboolean (*playing_sound_event)(PurpleSoundEventID event, PurpleAccount *account);
  @endsignalproto
  @signaldesc
   Emitted when libpurple is going to play a sound event. This can be used to cancel playing sound by returning TRUE.
  @param event   The event this sound represents.
  @param account The account the sound is being played for.
  @return @c TRUE if the sound should not be played, or @c FALSE otherwise.
 @endsignaldef

 */
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