When no matrix variables are provided to an endpoint with a MultiValueMap parameter, the argument should resolve to a MultiValueMap, not to Collections.emptyMap().
Comment From: pivotal-cla
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Comment From: pivotal-cla
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Comment From: snicoll
@bernie-schelberg-invicara good catch and thank you for making your first contribution to Spring Framework. I've harmonized the method so that it has to return a MultiValueMap for consistency. I've also adapted the reactive variant. See 9aa707e