All Known Implementing Classes:

CanvasComponentTagHandler, HeadTagHandler, InlineScriptTagHandler, LinkTagHandler, ScriptTagHandler, StyleTagHandler
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public interface EntryTagHandler
```
Marker interface for indicating that the TagHandler handles content outside of the canvas.
Tag Handlers work in a chain of responsibility with each tag handler creating a new instance of a nested tag handler and delegating to it. Majority of the tag handlers don't have a standalone existence and work nested within other tag handlers. The tag handlers which are capable of working stand alone need to implement this interface.

Interface EntryTagHandler