import { Context } from '../context/Context';
import { ReaderSettingsManager } from '../settings/ReaderSettingsManager';
import { Viewport } from '../viewport/Viewport';
import { SpineItem } from './SpineItem';
import { SpineItemPosition, UnboundSpineItemPagePosition } from './types';
export type SpineItemLocator = ReturnType<typeof createSpineItemLocator>;
export declare const createSpineItemLocator: ({ context, settings, viewport, }: {
    context: Context;
    settings: ReaderSettingsManager;
    viewport: Viewport;
}) => {
    getSpineItemPositionFromNode: (node: Node, offset: number, spineItem: SpineItem) => SpineItemPosition | undefined;
    getSpineItemPositionFromPageIndex: ({ pageIndex, spineItem, }: {
        pageIndex: number;
        spineItem: SpineItem;
    }) => SpineItemPosition;
    getSpineItemPageIndexFromPosition: (params: {
        position: SpineItemPosition;
        isUsingVerticalWriting: boolean;
        itemWidth: number;
        itemHeight: number;
    }) => number;
    getSpineItemPageIndexFromNode: (node: Node, offset: number, spineItem: SpineItem) => number | undefined;
    getSpineItemClosestPositionFromUnsafePosition: (unsafePosition: SpineItemPosition, spineItem: SpineItem) => SpineItemPosition;
    getSpineItemPagePositionFromSpineItemPosition: (position: SpineItemPosition, pageIndex: number, spineItem: SpineItem) => UnboundSpineItemPagePosition;
};