syntax_data: {"ast_node_type":"other","tokens":[{"end":42,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // check and not the pointee type.
context_before:         // If we see a borrow of a field projection, we want to pass the field type to the
context_after:         if matches!(self.field_projection_mode, BorrowedFieldProjectionMode::FollowProjections)