[psalm] reported by reviewdog 🐶 PossiblyNullPropertyAssignmentValue: $this->columnCallback with non-nullable declared type 'callable|string' cannot be assigned nullable type 'null' Raw Output: src/PostTypeMeta.php:67:37: error: PossiblyNullPropertyAssignmentValue: $this->columnCallback with non-nullable declared type 'callable|string' cannot be assigned nullable type 'null' ()

[psalm] reported by reviewdog 🐶 PossiblyNullFunctionCall: Cannot call function on possibly null value Raw Output: src/PostTypeMeta.php:387:17: error: PossiblyNullFunctionCall: Cannot call function on possibly null value ()