syntax_data: {"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// of a set of trait bounds, which are separated into any number
context_before:     /// A Rust trait object type consists (in addition to a lifetime bound)
context_after:     /// of auto-trait bounds, and at most one non-auto-trait bound. The