//! Error types for the NER provider layer.
usethiserror::Error;/// Error returned by NER provider operations.
#[derive(Debug, Error)]pubenumNerError{/// The requested NER provider is not compiled in or cannot be loaded.
#[error("NER provider not available: {0}")]
NotAvailable(String),/// The NER provider configuration is invalid.
#[error("NER provider configuration error: {0}")]
Config(String),}