syntax_data: {"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"default_visibility:"}]}
source_snippet:     default_visibility: Option<SymbolVisibility> = (None, parse_opt_symbol_visibility, [TRACKED],
context_before:         "deduplicate identical diagnostics (default: yes)"),
context_after:         "overrides the `default_visibility` setting of the target"),