static bool IsFlat ( const [FMetasoundFrontendGraphClass](API\Plugins\MetasoundFrontend\FMetasoundFrontendGraphClass) & InRoot, const [TArray](API\Runtime\Core\Containers\TArray)< [FMetasoundFrontendClass](API\Plugins\MetasoundFrontend\FMetasoundFrontendClass) > & InDependencies )