{"ast_node_type":"other","tokens":[{"end":120,"kind":"keyword","start":0,"text":"///"}]}
    /// wouldn't be `None` as well. Note that this function will add jumps to the beginning of the `current_else` block,
    /// `current_else` argument to save an unnecessary jump. If `current_else` isn't `None`, the result mismatched path
    /// so it should be an empty block.