API docs: express.middlewarebindingoptions.upstreamgroups

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MiddlewareBindingOptions.upstreamGroups property

An array of group names for upstream middleware in the cascading order.

For example, the invokeMethod depends on parseParams for request processing. The upstreamGroups for invokeMethod should be ['parseParams']. The order of groups in the array does not matter.

Signature:

upstreamGroups?: string | string[];