syntax_data: {"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// only be called within `TypeVisitor` methods, when a non-custom
context_before:     /// Provides a default visit for a recursive type of interest. This should
context_after:     /// traversal is desired for the value of the type of interest passed to