import { PropertyValues, TemplateResult } from "lit";
import { Debouncer, ElementDefinitionsMap } from "@fluid-topics/ft-wc-utils";
import { FtReaderComponent } from "@fluid-topics/ft-reader-context/build/registration";
import { FtReaderPage, FtReaderScrollTarget } from "@fluid-topics/ft-reader-context/build/store/model";
import { FtInfiniteScroll, RenderedItemsChangeEvent, VisibleItemsChangeEvent } from "@fluid-topics/ft-infinite-scroll";
import { FtReaderContentProperties } from "./ft-reader-content.properties";
import "@fluid-topics/ft-reader-topic-context/build/define";
export declare class FtReaderContent extends FtReaderComponent implements FtReaderContentProperties {
    static elementDefinitions: ElementDefinitionsMap;
    static styles: import("lit").CSSResult;
    renderTopic: (tocId: any, index: number) => TemplateResult | string;
    disableContextInteractions: boolean;
    headingLevelsShift: number;
    headingStartLevel?: number;
    currentPage?: FtReaderPage;
    scrollTarget?: FtReaderScrollTarget;
    visibleTopics?: string[];
    renderBeforeFirst: number;
    renderAfterLast: number;
    mapId?: string;
    contentContainer?: FtInfiniteScroll<any>;
    private watermark?;
    private renderItem;
    private getItemKey;
    protected render(): TemplateResult<1>;
    protected willUpdate(props: PropertyValues<FtReaderContent>): void;
    protected renderTopicInContext(tocId: string, index: number): TemplateResult<1>;
    protected getScrollTarget(): string | null;
    protected renderedTopicsDebouncer: Debouncer;
    protected renderedTopicChange(event: RenderedItemsChangeEvent<string>): void;
    protected visibleTopicsDebouncer: Debouncer;
    protected visibleTopicChange(event: VisibleItemsChangeEvent<string>): void;
    protected onScrollDone(): void;
}