syntax_data: {"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":".item_bounds(unshifted_alias_ty.def_id)"}]}
source_snippet:                 .item_bounds(unshifted_alias_ty.def_id)
context_before:                 .tcx
context_after:                 .iter_instantiated(self.tcx, unshifted_alias_ty.args)