Apparently, the TODO comment appeared because it's too simple or dubious. We should investigate and either improve the implementation or remove the comment if we currently believe this is enough.
Maybe not all references contain a child PowerShellIdentifier?
See the code near this line: https://github.com/ant-druha/intellij-powershell/blob/baccc65fb41e834e8eb66642911f1a1259926856/src/main/kotlin/com/intellij/plugin/powershell/psi/impl/PowerShellReferencePsiElementImpl.kt#L27
Apparently, the TODO comment appeared because it's too simple or dubious. We should investigate and either improve the implementation or remove the comment if we currently believe this is enough.
Maybe not all references contain a child
PowerShellIdentifier?