import { BehaviorSubject, Observable } from 'rxjs';
import { Context } from '../context/Context';
import { Pagination } from '../pagination/Pagination';
import { ReaderSettingsManager } from '../settings/ReaderSettingsManager';
import { createSpineItemLocator as createSpineItemLocationResolver } from '../spineItem/locationResolver';
import { SpineItem } from '../spineItem/SpineItem';
import { DestroyableClass } from '../utils/DestroyableClass';
import { Viewport } from '../viewport/Viewport';
import { SpineItemsLoader } from './loader/SpineItemsLoader';
import { SpineLocator } from './locator/SpineLocator';
import { Pages, PagesState } from './Pages';
import { SpineItemsManager } from './SpineItemsManager';
import { SpineItemsObserver } from './SpineItemsObserver';
import { SpineLayout, SpineLayoutOptions } from './SpineLayout';
import { SpineItemSpineLayout } from './types';
export declare class Spine extends DestroyableClass {
    protected context: Context;
    protected pagination: Pagination;
    spineItemsManager: SpineItemsManager;
    spineItemLocator: ReturnType<typeof createSpineItemLocationResolver>;
    protected settings: ReaderSettingsManager;
    protected viewport: Viewport;
    protected elementSubject: BehaviorSubject<HTMLElement | undefined>;
    protected spineLayout: SpineLayout;
    readonly spineItemsLoader: SpineItemsLoader;
    locator: SpineLocator;
    spineItemsObserver: SpineItemsObserver;
    pages: Pages;
    element$: Observable<HTMLElement | undefined>;
    constructor(context: Context, pagination: Pagination, spineItemsManager: SpineItemsManager, spineItemLocator: ReturnType<typeof createSpineItemLocationResolver>, settings: ReaderSettingsManager, viewport: Viewport);
    get element(): HTMLElement | undefined;
    layout(options?: SpineLayoutOptions): void;
    getSpineItemSpineLayoutInfo(spineItemOrIndex: SpineItem | number | string | undefined): SpineItemSpineLayout;
    get layout$(): Observable<PagesState>;
    destroy(): void;
}