interface IDateDataset {
    identifier: string;
    title: string;
    relevance?: number;
}
interface IDateDatasetHeader {
    title: string;
    type: "header";
}
export declare const isDateDatasetHeader: (obj: any) => obj is IDateDatasetHeader;
export declare const recommendedHeader: IDateDatasetHeader;
export declare const otherHeader: IDateDatasetHeader;
export declare const relatedHeader: IDateDatasetHeader;
export declare const unrelatedHeader: IDateDatasetHeader;
export declare function getRecommendedDateDataset(items: IDateDataset[]): IDateDataset;
export declare function transform2Dropdown(dateDatasets: IDateDataset[]): (IDateDataset | IDateDatasetHeader)[];
export declare function preselectDateDataset(dateDatasets: IDateDataset[], recommendedDate: IDateDataset): (IDateDataset | IDateDatasetHeader)[];
export declare function sortDateDatasets(dateDatasets: IDateDataset[], recommendedDate?: IDateDataset, unrelatedDate?: IDateDataset): Array<IDateDataset | IDateDatasetHeader>;
export {};