syntax_data: {"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                         // .tdb libraries are "text-based stub" files that provide lists of symbols,
context_before:                     if target_os_is("macos") {
context_after:                         // which refer to libraries shipped with a given system and aren't shipped