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# Factorio Prototype Docs Version 2.0.7

## ProductPrototype :: union

#### Union members

ItemProductPrototype | Loaded when the `type` is `"item"`.
FluidProductPrototype | Loaded when the `type` is `"fluid"`.
ResearchProgressProductPrototype | Loaded when the `type` is `"research-progress"`.

Type used in

- MinableProperties::results
- RecipePrototype::results