syntax_data: {"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         //   - We are in the same block but have advanced past the target effect.
context_before:         //   - We are in a different block than the target.
context_after:         if self.state_needs_reset || self.pos.block != target.block {