syntax_data: {"ast_node_type":"import","tokens":[{"end":49,"kind":"keyword","start":0,"text":"use"}]}
source_snippet: use rustc_hir::{self as hir, LangItem, RangeEnd};
context_before: use rustc_hir::pat_util::EnumerateAndAdjustIterator;
context_after: use rustc_index::Idx;