public function __construct(Sql $resolver, $resolverBlock)
 {
     $this->resolver = $resolver;
     $this->resolverBlock = $resolverBlock;
     $this->message = sprintf("Dependency `%s` has a malformed resolver block.\n --- BEGIN RESOLVER BLOCK ---\n%s\n--- END RESOLVER BLOCK ---\n", $resolver->getId(), $resolverBlock);
 }