{"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"tcx.dcx().emit_err(DuplicateDiagnosticItemInCrate"}]}
    tcx.dcx().emit_err(DuplicateDiagnosticItemInCrate {
    let duplicate_span = tcx.hir_span_if_local(item_def_id);
        duplicate_span,