{"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"#[derive(Debug,"}]}
#[derive(Debug, Copy, Clone, PartialEq, Eq, HashStable, TyEncodable, TyDecodable)]
/// which means the query cannot emit the error, so those errors are represented as dedicated variants here.
pub enum ValTreeCreationError<'tcx> {