/** Error raised for invalid importer configuration or unsafe generated SQL identifiers. */
export declare class HistoryImportError extends Error {
    readonly details?: unknown | undefined;
    constructor(message: string, details?: unknown | undefined);
}
/**
 * Error raised when a run is cancelled through its {@link ImportOptions.signal} abort signal
 * (feature A21 / ADR-112). Thrown only after in-flight transaction and checkpoint work has
 * settled, so catching it means "cancellation settled — no further writes from this
 * invocation". Incremental resume continues from the last committed checkpoint.
 */
export declare class ImportCancelledError extends HistoryImportError {
    readonly abortReason?: unknown | undefined;
    constructor(message?: string, abortReason?: unknown | undefined);
}
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