Gets an additional context for the element name.
This would typically be the fully qualified name, minus the name part.
Return null if there is no applicable context.
the name of the context of the type, such as the fully qualified name minus the name part
Gets an icon that should be shown for this element.
The icon should give a visual indication of the type of element
(e.g. function or variable or macro)
An Icon to be shown on the left hand side