syntax_data: {"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// more info about early and late bound lifetime parameters.
context_before:     /// See <https://rustc-dev-guide.rust-lang.org/early-late-bound-params/early-late-bound-summary.html> for
context_after:     ReLateParam(I::LateParamRegion),