syntax_data: {"ast_node_type":"other","tokens":[{"end":51,"kind":"keyword","start":0,"text":"tcx.sess.opts.get_symbol_mangling_version()"}]}
source_snippet:         tcx.sess.opts.get_symbol_mangling_version()
context_before:     let mangling_version = if mangling_version_crate == LOCAL_CRATE {
context_after:     } else {