syntax_data: {"ast_node_type":"other","tokens":[{"end":45,"kind":"keyword","start":0,"text":".macro_backtrace(macro_backtrace)"}]}
source_snippet:             .macro_backtrace(macro_backtrace)
context_before:             .diagnostic_width(sopts.diagnostic_width)
context_after:             .track_diagnostics(track_diagnostics)