@Override
public Object queryAccessibleAttribute (AccessibleAttribute attribute, Object… parameters)

Overriding: javafx.scene.control.TextInputControl

This method is called by the assistive technology to request the value for an attribute.

This method is commonly overridden by subclasses to implement attributes that are required for a specific role.
If a particular attribute is not handled, the superclass implementation must be called.

Parameters:

attribute		the requested attribute
parameters		optional list of parameters

Returns:  the value for the requested attribute