syntax_data: {"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     // 2. obey each crate's own `-C symbol-mangling-version`, as much as possible
context_before:     // 1. be stable for each instance, whether it's being defined or imported
context_after:     // We solve these as follows: