syntax_data: {"ast_node_type":"other","tokens":[{"end":148,"kind":"keyword","start":0,"text":"\"if"}]}
source_snippet:                 "if `link_self_contained` is disabled, then `pre_link_objects_self_contained` and `post_link_objects_self_contained` must be empty",
context_before:                     && self.post_link_objects_self_contained.is_empty(),
context_after:             );