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# Factorio Prototype Docs Version 2.0.7

## RailSignalLightDefinition :: struct

## Properties

- default
- sorted

light | :: LightDefinition |
shift optional | :: Vector |

light | :: LightDefinition |
shift optional | :: Vector |

## Properties

### light :: LightDefinition

### shift :: Vector optional

Type used in

- RailSignalLights::red
- RailSignalLights::green
- RailSignalLights::blue
- RailSignalLights::yellow