private function getEventDefinition(string $serialized): array
    {
        $definition = $this->getDeserializationDefinition($serialized);

        if (!isset($definition['class'], $definition['payload'], $definition['attributes'])
            || \count(\array_diff(\array_keys($definition), ['class', 'payload', 'attributes'])) !== 0
            || !\is_string($definition['class'])
            || !\is_array($definition['payload'])
            || !\is_array($definition['attributes'])
        ) {
            throw new EventSerializationException('Malformed JSON serialized event');
        }

        return $definition;
    }
private function getEventDefinition(string $serialized): array
    {
        $definition = $this->getDeserializationDefinition($serialized);

        if (!isset($definition['class'], $definition['payload'], $definition['attributes'])
            || \count(\array_diff(\array_keys($definition), ['class', 'payload', 'attributes'])) !== 0
            || !\is_string($definition['class'])
            || !\is_array($definition['payload'])
            || !\is_array($definition['attributes'])
        ) {
            throw new EventSerializationException('Malformed JSON serialized event');
        }

        return $definition;
    }
private function getEventDefinition ( string $ serialized ) : array { $ definition = $ this -> getDeserializationDefinition ( $ serialized ) ; if ( ! isset ( $ definition [ 'class' ] , $ definition [ 'payload' ] , $ definition [ 'attributes' ] ) || \ count ( \ array_diff ( \ array_keys ( $ definition ) , [ 'class' , 'payload' , 'attributes' ] ) ) !== 0 || ! \ is_string ( $ definition [ 'class' ] ) || ! \ is_array ( $ definition [ 'payload' ] ) || ! \ is_array ( $ definition [ 'attributes' ] ) ) { throw new EventSerializationException ( 'Malformed JSON serialized event' ) ; } return $ definition ; }
Get event definition from serialization.

@param string $serialized

@throws EventSerializationException

@return array<string, mixed>
Get event definition from serialization .