syntax_data: {"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// This method is used during some queries (e.g. `explicit_item_bounds`
context_before:     /// types (e.g. forcing verbose printing for opaque types).
context_after:     /// for opaque types), to ensure that any debug printing that