Do not create union types with Redux Action Types. It's most likely an antipattern.

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So, there is a long-standing TypeScript & Redux pattern of creating a union RootAction type that contains all your application’s action types. Sometimes, you would also create a lot of reducer-specific sub-unions. I think that this has always been a crutch - and given the options we have today, it’s most likely an antipattern. So let’s look at why it was used, where it was used and what you can…

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