PossiblyNullArgument: Argument 1 of base64_decode cannot be null, possibly null value provided (reported by psalm)

InvalidReturnType: The declared return type 'iterable<string, iterable<int, string>>' for /home/runner/work/core/core/src/corebundle/translator/metamodeltranslatorconfigurator.php:92:2736:-:closure is incorrect, got 'array<string, array<array-key, string>>' (reported by psalm)

InvalidReturnStatement: The inferred type 'array<string, array<array-key, string>>' does not match the declared return type 'iterable<string, iterable<int, string>>' for /home/runner/work/core/core/src/corebundle/translator/metamodeltranslatorconfigurator.php:92:2736:-:closure (reported by psalm)