syntax_data: {"ast_node_type":"import","tokens":[{"end":43,"kind":"keyword","start":0,"text":"use"}]}
source_snippet: use rustc_data_structures::stable_hasher::{
context_before: use rustc_data_structures::fx::FxIndexSet;
context_after:     HashStable, StableCompare, StableHasher, ToStableHashKey,