syntax_data: {"ast_node_type":"other","tokens":[{"end":43,"kind":"keyword","start":0,"text":"target_option_val!(dll_tls_export);"}]}
source_snippet:         target_option_val!(dll_tls_export);
context_before:         target_option_val!(direct_access_external_data);
context_after:         target_option_val!(only_cdylib);