syntax_data: {"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"child.next_sibling.map(|mpi|"}]}
source_snippet:                 child.next_sibling.map(|mpi| (mpi, &move_paths[mpi]))
context_before:             fetch_next: move |_, child: &MovePath<'_>| {
context_after:             },