import { ESLBaseElement } from '../../esl-base-element/core';
import type { ESLNote } from './esl-note';
import type { FootnotesItem } from './esl-footnotes-data';
export declare class ESLFootnotes extends ESLBaseElement {
    static is: string;
    /** Event to request acknowledgment from {@link ESLNotes} instances */
    FOOTNOTE_REQUEST_EVENT: string;
    /** Event to acknowledge {@link ESLFootnotes} instance about footnote */
    FOOTNOTE_RESPONSE_EVENT: string;
    /** Target element {@link ESLTraversingQuery} to define scope */
    scopeTarget: string;
    /** Grouping note instances with identical content enable/disable */
    grouping: string;
    /** Label for 'return to note' button title */
    backToNoteLabel: string;
    protected _notes: ESLNote[];
    protected deferredOnUpdate: import("../../esl-utils/async/debounce").Debounced<() => void>;
    /** Scope element */
    protected get scopeEl(): HTMLElement;
    /** Notes that are allowed to be processed by footnotes */
    get notes(): ESLNote[];
    /** List of notes to show */
    protected get footnotesList(): FootnotesItem[];
    protected connectedCallback(): void;
    protected disconnectedCallback(): void;
    /** Adds the note to the footnotes list */
    linkNote(note: ESLNote): void;
    /** Reindexes the list of notes */
    reindex(): void;
    /** Removes the note from the footnotes list */
    unlinkNote(note: ESLNote): void;
    /** Updates the content of footnotes */
    update(): void;
    /** Sorts list of notes */
    protected _sortNotes(): void;
    /** Builds content of footnotes */
    protected buildItems(): string;
    /** Builds one item from footnotes list */
    protected buildItem(footnote: FootnotesItem): string;
    /** Builds item index */
    protected buildItemIndex(footnote: FootnotesItem): string;
    /** Builds item index wrapped with span related to esl-note by id */
    protected buildWrappedItemIndex(index: string): string;
    /** Builds item text */
    protected buildItemText(footnote: FootnotesItem): string;
    /** Builds item back-to-note button */
    protected buildItemBack(footnote: FootnotesItem): string;
    /** Actions on update footnotes */
    protected _onUpdate(): void;
    /** Handles `response` event from note */
    protected _onNoteSubscribe(e: CustomEvent): void;
    /** Handles `click` event */
    protected _onItemClick(e: MouseEvent | KeyboardEvent): void;
    /** Handles `keydown` event */
    protected _onKeydown(event: KeyboardEvent): void;
    /** Actions on back-to-note click  */
    protected _onBackToNote(order: number[]): void;
    /** Turns off highlight for notes with the same text */
    turnOffHighlight(note: ESLNote): void;
    /**
     * Sends a request to all notes, expecting to get a response from
     * the unlinked ones and link up with them */
    protected _notifyNotes(): void;
}
declare global {
    export interface ESLLibrary {
        Footnotes: typeof ESLFootnotes;
    }
    export interface HTMLElementTagNameMap {
        'esl-footnotes': ESLFootnotes;
    }
}