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Error Identifiers: booleanNot.*

There are 3 error identifiers in the booleanNot.* group:

• booleanNot.alwaysFalse
  Negated expression is always false because the operand is always truthy.
• booleanNot.alwaysTrue
  Negated expression is always true because the operand is always falsy.
• booleanNot.exprNotBoolean phpstan-strict-rules
  Negation operator is applied to a non-boolean value.