{"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"///"}]}
    /// `Ok(Some(instance))`, **except** for when the instance's inputs hit the type size limit,
    /// in a monomorphic context (i.e., like during codegen), then it is guaranteed to return
    /// in which case it may bail out and return `Ok(None)`.