syntax_data: {"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"disambiguated_data:"}]}
source_snippet:         disambiguated_data: &DisambiguatedDefPathData,
context_before:         print_prefix: impl FnOnce(&mut Self) -> Result<(), PrintError>,
context_after:     ) -> Result<(), PrintError>;