import { ZoomOption } from '../models/pdf-viewer.models';
export declare const AUTO_ZOOM_ID = "auto";
export declare const FIT_ZOOM_ID = "page-fit";
export declare const ZOOM_OPTIONS: ZoomOption[];
export declare const THUMBNAIL_IMAGE_OPTIONS: {
    maxWidth: number;
    format: "image/jpeg";
    quality: number;
};
export declare const THUMBNAIL_BATCH_SIZE = 15;
export declare const CONTENT_TYPE_PDF = "application/pdf";
export declare const FILE_EXTENSION_PDF = ".pdf";