syntax_data: {"ast_node_type":"variable","tokens":[{"end":29,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:         let add_maybe_sized =
context_before:         let add_sized = has_sized_bound && (first || has_negative_sized_bound);
context_after:             has_meta_sized_bound && !has_negative_sized_bound && !using_sized_hierarchy;