Remove final on isSingle PropertyExpression #5455
Merged
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Description
This final in PropertyExpression is a restriction to the API usage. It should not be final. Some classes even in Skript are forced to use SimpleExpression just because of the isSingle method being final.
This does not make sense anymore for properties that return multiples such as, indices of list variable, permissions, armour, lines of a sign, contents of an inventory, etc. The list goes on and on. Property expressions that could be utilizing the PropertyExpression class.
Related issues: #5521