import { DivisionType, PortionType, TextAstLocalization, TextAstReference } from '../text_parsers/ast.js';
export type PortionSelectorStep = {
    type: PortionType | DivisionType;
    index?: number;
    num?: string;
    relative?: TextAstLocalization["relative"];
    present?: boolean;
};
export type PortionSelector = {
    kind: "single";
    steps: PortionSelectorStep[];
} | {
    kind: "range";
    first: PortionSelectorStep[];
    last: PortionSelectorStep[];
    count?: number;
};
export type ArticlePortionNode = ArticlePortionArticle | ArticlePortionDivision | ArticlePortionItem | ArticlePortionAlinea | ArticlePortionPhrase;
export interface ArticlePortionArticle {
    type: "article";
    children: ArticlePortionNode[];
}
export interface ArticlePortionDivision {
    type: DivisionType;
    index?: number;
    num?: string;
    label?: string;
    children: ArticlePortionNode[];
}
export interface ArticlePortionItem {
    type: "item";
    index?: number;
    num?: string;
    label?: string;
    children: ArticlePortionNode[];
}
export interface ArticlePortionAlinea {
    type: "alinéa";
    index: number;
    text: string;
    html: string;
    paragraphIndex: number;
    htmlStart?: number;
    htmlStop?: number;
    lineIndex?: number;
}
export interface ArticlePortionPhrase {
    type: "phrase";
    index: number;
    text: string;
    html: string;
    paragraphIndex: number;
    htmlStart?: number;
    htmlStop?: number;
    alinea: ArticlePortionAlinea;
}
export type ArticlePortionMatch = {
    selector: PortionSelector;
    node: ArticlePortionNode;
    path: ArticlePortionNode[];
} | {
    selector: PortionSelector;
    start: ArticlePortionNode;
    end: ArticlePortionNode;
    pathStart: ArticlePortionNode[];
    pathEnd: ArticlePortionNode[];
};
export declare const ITEM_PREFIX_RE: RegExp;
export declare const BARE_ITEM_PREFIX_RE: RegExp;
export declare function isRomanNumeral(token: string): boolean;
export declare function isArticlePortionStructuralStart(text: string): boolean;
export declare function buildArticlePortionTreeFromHtml(html: string): ArticlePortionArticle;
export declare function extractPortionSelectors(reference: TextAstReference): PortionSelector[];
export declare function resolvePortionSelector(article: ArticlePortionArticle, selector: PortionSelector): ArticlePortionMatch | null;