{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"(index..).find(|&index|"}]}
        (index..).find(|&index| text.is_char_boundary(index as usize)).unwrap_or(text.len() as u32)
    fn ceil_char_boundary(text: &str, index: u32) -> u32 {
    }