import { PageViewport } from './pdf-page-view-port';
import { TextContent } from './pdf-viewer-application';
/**
 * The text layer builder provides text selection functionality for the PDF.
 * It does this by creating overlay divs over the PDF's text. These divs
 * contain text that matches the PDF text they are overlaying.
 */
export interface TextLayerBuilder {
    textContentItemsStr: any[];
    renderingDone: boolean;
    textDivs: any[];
    textDivProperties: WeakMap<object, any>;
    textLayerRenderTask: any;
    highlighter: any;
    accessibilityManager: any;
    isOffscreenCanvasSupported: boolean;
    div: HTMLDivElement;
    get numTextDivs(): number;
    /**
     * Renders the text layer.
     * @param {PageViewport} viewport
     */
    render(viewport: PageViewport): Promise<void>;
    hide(): void;
    show(): void;
    /**
     * Cancel rendering of the text layer.
     */
    cancel(): void;
    /**
     * @param {ReadableStream | TextContent} source
     */
    setTextContentSource(source: ReadableStream | TextContent): void;
}