type Registry = Record<string, unknown>;
type AnyRef = {
    type?: string;
    [k: string]: unknown;
};
export declare class ReferenceClassifier {
    registry: Registry;
    sourceDatasetId: string | null;
    options: Record<string, unknown>;
    constructor(registry?: Registry, sourceDatasetId?: string | null, options?: Record<string, unknown>);
    classify(ref: AnyRef | null): string;
    _classifyConcept(ref: AnyRef): string;
    _classifyDataset(ref: AnyRef): string;
    _classifyBibliography(ref: AnyRef): string;
    _classifyTypedRef(_ref: AnyRef): string;
    _classifyNonVerbal(ref: AnyRef): string;
}
export {};
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