phpcs: The abstract declaration must precede the visibility

Change-Id: I957eb6007f110252726e67c1fb7099b02fdca676
Localisation updates from https://translatewiki.net.

Change-Id: Ie09f63ee1738a54217bf1f02dc2ba0a954e3f5d3
Merge "Localisation updates from https://translatewiki.net."