syntax_data: {"ast_node_type":"other","tokens":[{"end":28,"kind":"keyword","start":0,"text":".into_iter()"}]}
source_snippet:                 .into_iter()
context_before:             let expected_mbcs: Vec<MultiByteChar> = $multi_byte_chars
context_after:                 .map(|(pos, bytes)| MultiByteChar { pos: RelativeBytePos(pos), bytes })