syntax_data: {"ast_node_type":"other","tokens":[{"end":25,"kind":"keyword","start":0,"text":".map(|decl|"}]}
source_snippet:             .map(|decl| {
context_before:             .filter(|decl| !decl.ignore_for_traits)
context_after:                 let ty = fold_regions(tcx, decl.ty, |re, debruijn| {