syntax_data: {"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"PlaceContext::MutatingUse(MutatingUseContext::Projection)"}]}
source_snippet:             PlaceContext::MutatingUse(MutatingUseContext::Projection)
context_after:             | PlaceContext::NonMutatingUse(NonMutatingUseContext::Projection) => {