import { Reader } from '../../reader';
import { LayoutEnhancerOutput } from '../layout/layoutEnhancer';
import { Observable } from 'rxjs';
import { ChapterInfo } from './chapters';
export declare const trackPaginationInfo: (reader: Reader & LayoutEnhancerOutput) => Observable<{
    percentageEstimateOfBook: number;
    numberOfPagesPerItems: number[];
    numberOfTotalPages: number;
    isUsingSpread: boolean;
    beginChapterInfo: ChapterInfo | undefined;
    beginSpineItemReadingDirection: "ltr" | "rtl" | undefined;
    beginAbsolutePageIndex: number | undefined;
    endChapterInfo: ChapterInfo | undefined;
    endSpineItemReadingDirection: "ltr" | "rtl" | undefined;
    endAbsolutePageIndex: number | undefined;
    beginPageIndexInSpineItem: number | undefined;
    beginNumberOfPagesInSpineItem: number;
    beginCfi: string | undefined;
    beginSpineItemIndex: number | undefined;
    endPageIndexInSpineItem: number | undefined;
    endNumberOfPagesInSpineItem: number;
    endCfi: string | undefined;
    endSpineItemIndex: number | undefined;
    navigationId?: symbol;
}>;