syntax_data: {"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"collapse_macro_debuginfo:"}]}
source_snippet:     collapse_macro_debuginfo: CollapseMacroDebuginfo = (CollapseMacroDebuginfo::Unspecified,
context_before:         "divide crate into N units to optimize in parallel"),
context_after:         parse_collapse_macro_debuginfo, [TRACKED],