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use serde::Serialize; use std::fmt::Debug; use thiserror::Error; #[derive(Error, Serialize, Debug, PartialEq)] pub enum AggregateError { #[error("unsupported compound identifier: {0}")] UnsupportedCompoundIdentifier(String), #[error("unsupported aggregation: {0}")] UnsupportedAggregation(String), #[error("only identifier is allowed in aggregation")] OnlyIdentifierAllowed, #[error("value not found: {0}")] ValueNotFound(String), #[error("unreachable")] Unreachable, }