@protocol SCIStyleProtocol <NSObject>
Protocol for classes that define all chart elements visual style
NoteFor every style check in documentation (or by name) for which elements it can be used, else you will get exception.
Block which is called on every style property change.
NoteIt is used for invalidating parent annotation and provoking redraw of annotations and modifiers on style change.
WarningIt is not advised to replace this block manually