[TASK] Integer TypeCast for modifyDocuments in the PageIndexerDocumentsModifier interface

[ayacoo]

The function header already contains an integer. We could probably also adopt and use this.

Code: https://github.com/TYPO3-Solr/ext-solr/blob/master/Classes/IndexQueue/PageIndexerDocumentsModifier.php#L47

Hint: Small change, but would be breaking!

[dkd-kaehm]

@ayacoo We can do that on master branch, this will be future Release for TYPO3 11 LTS only. Please create a Pull Request.

[dkd-friedrich]

Already merged /done in 2001 (#3013 ), I'm closing this issue