{"ast_node_type":"other","tokens":[{"end":34,"kind":"keyword","start":0,"text":"diag.note(ambiguity.note_msg);"}]}
    diag.note(ambiguity.note_msg);
    diag.span_label(ambiguity.label_span, ambiguity.label_msg);
    diag.span_note(ambiguity.b1_span, ambiguity.b1_note_msg);