syntax_data: {"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":"PostBorrowckAnalysis"}]}
source_snippet:     PostBorrowckAnalysis { defined_opaque_types: I::LocalDefIds },
context_before:     /// the old solver as well.
context_after:     /// After analysis, mostly during codegen and MIR optimizations, we're able to