TYPO3 Core

$originalResource is not lazyloaded in the usual sense you are used to in extbase. In the case of a lazy annotation it would already show a "LazyLoadingProxy" in the var_dump, which makes it much clearer.

$originalResource is initially "null" and only gets its actual value assigned, the first time its getter getOriginalResources() is called.
This makes it really hard to debug the value in the DebuggeryUtility, because internally, the DebuggerUtility ignores any getter methods and access the properties directly via the Reflection API.

• have the change the code of TYPO3\CMS\Extbase\Domain\Model\AbstractFileFolder (possibly breaking things)
• or make DebuggerUtility in this specific case call the getter method instead of directly accessing the property. (Then DebuggerUtility would have to "know" about the implementation of a FileReference, which is bad design).