virtual EAssetCommandResult GetSourceFiles ( const [FAssetSourceFilesArgs](API\Editor\AssetDefinition\FAssetSourceFilesArgs) & InArgs, [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< bool(const [FAssetSourceFilesResult](API\Editor\AssetDefinition\FAssetSourceFilesResult) &InSourceFile)> SourceFileFunc ) const