syntax_data: {"ast_node_type":"variable","tokens":[{"end":47,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:         let parent_opaque = parent_data.opaque;
context_before:         assert_ne!(parent_data.dollar_crate_name, sym::dummy);
context_after:         let parent_opaque_and_semiopaque = parent_data.opaque_and_semiopaque;