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Add return type

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This commit is contained in:
Oliver Davies 2019-04-19 00:36:36 +01:00
parent 4c00155956
commit fb5b492228
1 changed files with 1 additions and 1 deletions
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2
src/Service/Builder.php
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@ -133,7 +133,7 @@ class Builder
return sprintf('(%s)', collect($value)->implode($separator));
}
private function glue()
private function glue(): ?string
{
return $this->expanded ? PHP_EOL : null;
}