syntax_data: {"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                         // which refer to libraries shipped with a given system and aren't shipped
context_before:                         // .tdb libraries are "text-based stub" files that provide lists of symbols,
context_after:                         // as part of the corresponding SDK. They're named like the underlying