Deprecation: #65465 - Deprecate errorLog in ReferenceIndex
See forge#65465
Description
The method \TYPO3\ and the according property
\TYPO3\ have been marked as deprecated. It was not used and always empty.
Impact
Calling Reference will throw a deprecation message. This function should not be used from outside the
core.
Migration
Extensions that used this property to log errors have to use their own errorLog.