shouldDisplayStackTrace example

 elseif ($deprecation->isLegacy()) {
            $group = 'legacy';
        } else {
            $group = [
                Deprecation::TYPE_SELF => 'self',
                Deprecation::TYPE_DIRECT => 'direct',
                Deprecation::TYPE_INDIRECT => 'indirect',
                Deprecation::TYPE_UNDETERMINED => 'other',
            ][$deprecation->getType()];
        }

        if ($this->getConfiguration()->shouldDisplayStackTrace($msg)) {
            echo "\n".ucfirst($group).' '.$deprecation->toString();

            exit(1);
        }

        if ('legacy' === $group) {
            $this->deprecationGroups[$group]->addNotice();
        } elseif ($deprecation->originatesFromAnObject()) {
            $class = $deprecation->originatingClass();
            $method = $deprecation->originatingMethod();
            $this->deprecationGroups[$group]->addNoticeFromObject($msg, $class, $method);
        }

'self' => 0,
            'legacy' => 0,
            'other' => 0,
            'direct' => 2,
            'indirect' => 0,
        ])));
    }

    public function testItCanTellWhetherToDisplayAStackTrace()
    {
        $configuration = Configuration::fromUrlEncodedString('');
        $this->assertFalse($configuration->shouldDisplayStackTrace('interesting'));

        $configuration = Configuration::fromRegex('/^interesting/');
        $this->assertFalse($configuration->shouldDisplayStackTrace('uninteresting'));
        $this->assertTrue($configuration->shouldDisplayStackTrace('interesting'));
    }

    public static function provideItCanBeDisabled(): array
    {
        return [
            ['disabled', false],
            ['disabled=1', false],
            [