import * as nodes from '../nodes.js';
import Transform from '../transform.js';
import { Document, ElementInterface, NodeInterface } from "../types.js";
/**
 * TitlePromoter transform.
 * Base class for other transforms which promote section names to title and subtitle
 */
declare abstract class TitlePromoter extends Transform {
    promoteTitle(node: NodeInterface): number | undefined;
    promoteSubtitle(node: ElementInterface): number | undefined;
    candidateIndex(node: ElementInterface): any[];
}
export declare class DocTitle extends TitlePromoter {
    setMetadata(): void;
    apply(): void;
}
export declare class SectionSubTitle extends TitlePromoter {
    apply(): void;
}
export declare class DocInfo extends Transform {
    private biblioNodes;
    _init(document: Document, startNode: NodeInterface | undefined): void;
    apply(): void;
    extractBibliographic(fieldList: nodes.field_list): void;
    checkEmptyBiblioField(field: any, name: any): void;
    checkCompoundBiblioField(field: any, name: any): void;
    extractAuthors(field: any, name: any, docinfo: any): void;
    authorsFromOneParagraph(field: any): void;
    authorsFromBulletList(field: any): void;
    authorsFromParagraphs(field: any): void;
}
export { TitlePromoter };