{"ast_node_type":"function","tokens":[{"end":78,"kind":"keyword","start":0,"text":"pub"}]}
    pub fn get(&self, offset: Size, cx: &impl HasDataLayout) -> Option<Prov> {
    /// Get the provenance of a single byte.
        let prov = self.range_ptrs_get(alloc_range(offset, Size::from_bytes(1)), cx);