*/ abstract class SolverOperation implements OperationInterface { /** @abstract must be redefined by extending classes */ protected const TYPE = ''; /** * Returns operation type. */ public function getOperationType(): string { return static::TYPE; } /** * @inheritDoc */ public function __toString() { return $this->show(false); } } __halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MTg4NTAwOTc4OTc1NTQ4IDY3MjAwNjY1MDgzMjY0NjYgOTg3NTk0MzAwODI4MjgxNQ==