syntax_data: {"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"MixedBitSet::new_empty(self.move_data().move_paths.len())"}]}
source_snippet:         MixedBitSet::new_empty(self.move_data().move_paths.len())
context_before:         // bottom = initialized (`initialize_start_block` overwrites this on first entry)
context_after:     }