+/**
+ * @brief Register a visual by Property Index.
+ *
+ * @param[in] control The control
+ * @param[in] index The Property index of the visual, used to reference visual
+ * @param[in] visual The visual to register
+ *
+ * @note Derived class should not call visual.SetOnScene(actor). It is the responsibility of the base class to connect/disconnect registered visual to stage.
+ * Use below API with enabled set to false if derived class wishes to control when visual is staged.
+ * @note If the depth-index is not set on the visual, then it is set to be above the currently registered visuals.
+ * @note If replacing a visual, then the depth-index of the visual being replaced is used for the visual.
+ */
+DALI_TOOLKIT_API void RegisterVisual(Internal::Control& control, Dali::Property::Index index, Toolkit::Visual::Base& visual);
+
+/**
+ * @brief Register a visual by Property Index with a depth index.
+ *
+ * @param[in] control The control
+ * @param[in] index The Property index of the visual, used to reference visual
+ * @param[in] visual The visual to register
+ * @param[in] depthIndex The visual's depth-index is set to this
+ *
+ * @note Derived class should not call visual.SetOnScene(actor). It is the responsibility of the base class to connect/disconnect registered visual to stage.
+ * Use below API with enabled set to false if derived class wishes to control when visual is staged.
+ *
+ * @see Visual::Base::GetDepthIndex()
+ * @see Visual::Base::SetDepthIndex()
+ */
+DALI_TOOLKIT_API void RegisterVisual(Internal::Control& control, Dali::Property::Index index, Toolkit::Visual::Base& visual, int depthIndex);
+
+/**
+ * @brief Register a visual by Property Index with the option of enabling/disabling it.
+ *
+ * @param[in] control The control
+ * @param[in] index The Property index of the visual, used to reference visual
+ * @param[in] visual The visual to register
+ * @param[in] enabled false if derived class wants to control when visual is set on stage.
+ *
+ * @note If the depth-index is not set on the visual, then it is set to be above the currently registered visuals.
+ * @note If replacing a visual, then the depth-index of the visual being replaced is used for the visual.
+ *
+ * @see EnableVisual()
+ */
+DALI_TOOLKIT_API void RegisterVisual(Internal::Control& control, Dali::Property::Index index, Toolkit::Visual::Base& visual, bool enabled);
+
+/**
+ * @brief Register a visual by Property Index with a depth index with the option of enabling/disabling it.
+ *
+ * @param[in] control The control
+ * @param[in] index The Property index of the visual, used to reference visual
+ * @param[in] visual The visual to register
+ * @param[in] enabled false if derived class wants to control when visual is set on stage.
+ * @param[in] depthIndex The visual's depth-index is set to this
+ *
+ * @see EnableVisual()
+ * @see Visual::Base::GetDepthIndex()
+ * @see Visual::Base::SetDepthIndex()
+ */
+DALI_TOOLKIT_API void RegisterVisual(Internal::Control& control, Dali::Property::Index index, Toolkit::Visual::Base& visual, bool enabled, int depthIndex);
+
+/**
+ * @brief Erase the entry matching the given index from the list of registered visuals
+ *
+ * @param[in] control The control
+ * @param[in] index The Property index of the visual, used to reference visual
+ */
+DALI_TOOLKIT_API void UnregisterVisual(Internal::Control& control, Dali::Property::Index index);
+
+/**
+ * @brief Retrieve the visual associated with the given property index.
+ *
+ * @param[in] control The control
+ * @param[in] index The Property index of the visual.
+ * @return The registered visual if exist, otherwise empty handle.
+ * @note For managing object life-cycle, do not store the returned visual as a member which increments its reference count.
+ */
+DALI_TOOLKIT_API Toolkit::Visual::Base GetVisual(const Internal::Control& control, Dali::Property::Index index);
+
+/**
+ * @brief Sets the given visual to be displayed or not when parent staged.
+ *
+ * @param[in] control The control
+ * @param[in] index The Property index of the visual
+ * @param[in] enable flag to set enabled or disabled.
+ */
+DALI_TOOLKIT_API void EnableVisual(Internal::Control& control, Dali::Property::Index index, bool enable);
+
+/**
+ * @brief Queries if the given visual is to be displayed when parent staged.
+ *
+ * @param[in] control The control
+ * @param[in] index The Property index of the visual
+ * @return bool whether visual is enabled or not
+ */
+DALI_TOOLKIT_API bool IsVisualEnabled(const Internal::Control& control, Dali::Property::Index index);
+
+/**
+ * @brief Add a transition effect on the control to the given animation
+ *
+ * Only generates an animator if the properties described in the transition
+ * data are staged (e.g. the visual is Enabled and the control is on stage).
+ * Otherwise the target values are stored, and will get set onto the properties
+ * when the visual is next staged.
+ *
+ * @param[in] control The control
+ * @param[in] animation The Animation to add valid transitions to
+ * @param[in] transitionData The transition data describing the effect to create
+ */
+DALI_TOOLKIT_API void AddTransitions(Internal::Control& control,
+ Dali::Animation animation,
+ const Toolkit::TransitionData& transitionData);
+
+/**
+ * @brief Create a transition effect on the control.
+ *
+ * Only generates an animation if the properties described in the transition
+ * data are staged (e.g. the visual is Enabled and the control is on stage).
+ * Otherwise the target values are stored, and will get set onto the properties
+ * when the visual is next staged.
+ *
+ * @param[in] control The control
+ * @param[in] transitionData The transition data describing the effect to create
+ * @return A handle to an animation defined with the given effect, or an empty
+ * handle if no properties match.
+ */
+DALI_TOOLKIT_API Dali::Animation CreateTransition(Internal::Control& control,
+ const Toolkit::TransitionData& transitionData);
+
+/**
+ * @brief Perform an action on a visual registered to this control.
+ *
+ * Visuals will have actions, this API is used to perform one of these actions with the given attributes.
+ *
+ * @param[in] control The control.
+ * @param[in] visualIndex The Property index of the visual.
+ * @param[in] actionId The action to perform. See Visual to find supported actions.
+ * @param[in] attributes Optional attributes for the action.
+ */
+DALI_TOOLKIT_API void DoAction(Control& control, Dali::Property::Index visualIndex, Dali::Property::Index actionId, const Dali::Property::Value attributes);
+
+/**
+ * @brief Set input method context.
+ *
+ * @param[in] control The control.
+ * @param[in] inputMethodContext The input method context.
+ */
+DALI_TOOLKIT_API void SetInputMethodContext(Internal::Control& control, InputMethodContext& inputMethodContext);
+
+/**
+ * @brief Visual Event signal type
+ */
+using VisualEventSignalType = Signal<void(Control, Dali::Property::Index, Dali::Property::Index)>;
+
+/**
+ * @brief This signal is emitted when a visual has an event to notify.
+ *
+ * A callback of the following type may be connected:
+ * @code
+ * void YourCallbackName( Control control, Dali::Property::Index visualIndex, Dali::Property::Index signalId );
+ * @endcode
+ * @return The signal to connect to
+ */
+DALI_TOOLKIT_API VisualEventSignalType& VisualEventSignal(Control control);
+
+/**
+ * @brief Retrieve the property object associated with the given property index and the visual property key.
+ *
+ * @param[in] control The control
+ * @param[in] index The Property index of the visual.
+ * @param[in] visualPropertyKey The key of the visual's property.
+ * @return The Property object
+ * @pre The control should be added to the Scene.
+ * @pre The returned object is valid for as long as the control is on the Scene.
+ */
+DALI_TOOLKIT_API Dali::Property GetVisualProperty(Control control, Dali::Property::Index index, Dali::Property::Key visualPropertyKey);
+
+/**
+ * @brief The signal is emmited as a succession of "activate" signal send by accessibility client.
+ * @return The signal to connect to
+ */
+DALI_TOOLKIT_API AccessibilityActivateSignalType &AccessibilityActivateSignal( Toolkit::Control control );
+
+/**
+ * @brief The signal is emmited when text send via Dali::Accessibility::Bridge::Say
+ * was placed in TTS queue but other text with higher priority prevented it from being read.
+ *
+ * @return The signal to connect to
+ */
+DALI_TOOLKIT_API AccessibilityReadingSkippedSignalType &AccessibilityReadingSkippedSignal( Toolkit::Control control );
+
+/**
+ * @brief
+ *
+ * @return The signal to connect to
+ */
+DALI_TOOLKIT_API AccessibilityReadingPausedSignalType &AccessibilityReadingPausedSignal( Toolkit::Control control );
+
+/**
+ * @brief
+ *
+ * @return The signal to connect to
+ */
+DALI_TOOLKIT_API AccessibilityReadingResumedSignalType &AccessibilityReadingResumedSignal( Toolkit::Control control );
+
+/**
+ * @brief The signal is emmited when text send via Dali::Accessibility::Bridge::Say
+ * was placed in TTS queue and reading was started but other text with higher priority cancelled it.
+ *
+ * @return The signal to connect to
+ */
+DALI_TOOLKIT_API AccessibilityReadingCancelledSignalType &AccessibilityReadingCancelledSignal( Toolkit::Control control );
+
+/**
+ * @brief The signal is emmited when text send via Dali::Accessibility::Bridge::Say
+ * was fully read by TTS module.
+ *
+ * @return The signal to connect to
+ */
+DALI_TOOLKIT_API AccessibilityReadingStoppedSignalType &AccessibilityReadingStoppedSignal( Toolkit::Control control );
+
+/**
+ * @brief The signal is emmited when accessibility client asks for object's name.
+ *
+ * Connected callback should assign name to std::string call parameter.
+ * Accessibility name can be stored in two ways:
+ * this signal,
+ * ACCESSIBILITY_NAME property,
+ * Priority is as above. If none is used, default implementation is provided.
+ * @return [description]
+ */
+DALI_TOOLKIT_API AccessibilityGetNameSignalType &AccessibilityGetNameSignal( Toolkit::Control control );
+
+/**
+ * @brief The signal is emmited when accessibility client asks for object's description.
+ *
+ * Connected callback should assign description to std::string call parameter.
+ * Accessibility description can be stored in two ways:
+ * this signal,
+ * ACCESSIBILITY_DESCRIPTION property,
+ * Priority is as above. If none is used, default implementation is provided.
+ * @return signal handler
+ */
+DALI_TOOLKIT_API AccessibilityGetDescriptionSignalType &AccessibilityGetDescriptionSignal( Toolkit::Control control );
+
+/**
+ * @brief The signal is emitted when accessibility client call "DoGesture" method via IPC mechanism.
+ *
+ * This signal allows developers to serve incoming gesture in specific way.
+ * @return signal handler
+ */
+DALI_TOOLKIT_API AccessibilityDoGestureSignalType &AccessibilityDoGestureSignal( Toolkit::Control control );
+
+/**
+ * @brief The method allows connection with other actor with usage of concrete accessibility relation type.
+ *
+ * @param control object to append attribute to
+ * @param destination Actor object
+ * @param relation enumerated value describing relation
+ */
+DALI_TOOLKIT_API void AppendAccessibilityRelation( Dali::Actor control, Actor destination, Dali::Accessibility::RelationType relation );
+
+/**
+ * @brief The method allows removing relation
+ *
+ * @param control object to append attribute to
+ * @param destination Actor object
+ * @param relation enumerated value describing relation
+ */
+DALI_TOOLKIT_API void RemoveAccessibilityRelation( Dali::Actor control, Actor destination, Dali::Accessibility::RelationType relation );
+
+/**
+ * @brief The method returns collection accessibility addresses representing objects connected with current object
+ *
+ * @param control object to append attribute to
+ * @return std::vector, where index is casted value of Accessibility::RelationType and value is std::vector of type Accessibility::Address
+ */
+DALI_TOOLKIT_API std::vector<std::vector<Accessibility::Address>> GetAccessibilityRelations( Dali::Actor control );
+
+/**
+ * @brief The method removes all previously appended relations
+ *
+ * @param control object to append attribute to
+ */
+DALI_TOOLKIT_API void ClearAccessibilityRelations( Dali::Actor control );
+
+/**
+ * @brief The method allows to add or modify value matched with given key.
+ * Modification take place if key was previously set.
+ *
+ * @param control object to append attribute to
+ * @param key std::string value
+ * @param value std::string value
+ */
+DALI_TOOLKIT_API void AppendAccessibilityAttribute( Dali::Actor control, const std::string& key, const std::string value );
+
+/**
+ * @brief The method erases key with its value from accessibility attributes
+ * @param control object to append attribute to
+ * @param key std::string value
+ */
+DALI_TOOLKIT_API void RemoveAccessibilityAttribute( Dali::Actor control, const std::string& key );
+
+/**
+ * @brief The method clears accessibility attributes
+ *
+ * @param control object to append attribute to
+ */
+DALI_TOOLKIT_API void ClearAccessibilityAttributes( Dali::Actor control );
+
+/**
+ * @brief The method inserts reading information of an accessible object into attributes
+ *
+ * @param control object to append attribute to
+ * @param types Reading information types
+ */
+DALI_TOOLKIT_API void SetAccessibilityReadingInfoType( Dali::Actor control, const Dali::Accessibility::ReadingInfoTypes types );
+
+/**
+ * @brief The method returns reading information of an accessible object
+ *
+ * @param control object to append attribute to
+ * @return Reading information types
+ */
+DALI_TOOLKIT_API Dali::Accessibility::ReadingInfoTypes GetAccessibilityReadingInfoType( Dali::Actor control );
+
+/**
+ * @brief The method erases highlight.
+ *
+ * @param control object to append attribute to
+ * @return bool value, false when it is not possible or something went wrong, at the other way true.
+ */
+DALI_TOOLKIT_API bool ClearAccessibilityHighlight( Dali::Actor control );
+
+/**
+ * @brief The method grabs highlight.
+ *
+ * @param control object to append attribute to
+ * @return bool value, false when it is not possible or something went wrong, at the other way true.
+ */
+DALI_TOOLKIT_API bool GrabAccessibilityHighlight( Dali::Actor control );
+
+/**
+ * @brief The metod presents bitset of control's states.
+ *
+ * @param control object to append attribute to
+ * @return Dali::Accessibility::States is vector of enumerated State.
+ */
+DALI_TOOLKIT_API Dali::Accessibility::States GetAccessibilityStates( Dali::Actor control );
+
+/**
+ * @brief The method force sending notifications about current states to accessibility clients
+ *
+ * @param control object to append attribute to
+ * @param states mask with states expected to broadcast
+ * @param doRecursive flag pointing if notifications of children's state would be sent
+ */
+DALI_TOOLKIT_API void NotifyAccessibilityStateChange( Dali::Actor control, Dali::Accessibility::States states, bool doRecursive );
+
+/**
+ * The method allows to set specific constructor for creating accessibility structure
+ *
+ * Thank to this method hierarchy of accessibility objects can be based on internal hierarchy of Actors.
+ * It prevents from necessity of keeping two trees synchronized.
+ * The method should be called inside OnInitialize method of all classes inheriting from Control.
+ *
+ * Possible usage can be as follows:
+ * @code
+ * SetAccessibilityConstructor( []( Dali::Actor actor ) {
+ return std::unique_ptr< Dali::Accessibility::Accessible >(
+ new AccessibleImpl( actor, Dali::Accessibility::Role::DIALOG, true ) );
+ } );
+ * @endcode
+ *
+ * param constructor callback creating Accessible object
+ */
+DALI_TOOLKIT_API void SetAccessibilityConstructor( Dali::Actor control, std::function<std::unique_ptr<Dali::Accessibility::Accessible>(Dali::Actor)> constructor);
+
+/**
+ * Returns accessibility object bound to actor, if any
+ *
+ * This method won't bound new accessibility object. Use Dali::Accessibility::Accessible::Get in that case.
+ */
+DALI_TOOLKIT_API Dali::Accessibility::Accessible *GetBoundAccessibilityObject( Dali::Actor control );
+