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# Factorio Prototype Docs Version 2.0.7

## LoaderStructure :: struct

## Properties

- default
- sorted

direction_in optional | :: Sprite4Way |
direction_out optional | :: Sprite4Way |
back_patch optional | :: Sprite4Way |
front_patch optional | :: Sprite4Way |

back_patch optional | :: Sprite4Way |
direction_in optional | :: Sprite4Way |
direction_out optional | :: Sprite4Way |
front_patch optional | :: Sprite4Way |

## Properties

### direction_in :: Sprite4Way optional

### direction_out :: Sprite4Way optional

### back_patch :: Sprite4Way optional

### front_patch :: Sprite4Way optional

Type used in

- LoaderPrototype::structure