export declare const pdfViewerClassnames: {
    document: string;
    page: string;
    animation: string;
    zoom: string;
};
export declare const PDFJS_WORKER_URL = "https://frontend-static.astral.ru/libs/pdfjs-dist/4.8.69/pdf.worker.min.mjs";
export declare const TEXT_LAYER_CSS_URL = "https://frontend-static.astral.ru/libs/react-pdf/9.2.1/text-layer.min.css";
export declare const ANNOTATION_LAYER_CSS_URL = "https://frontend-static.astral.ru/libs/react-pdf/9.2.1/annotation-layer.min.css";
export declare const PDF_VIEWER_ANIMATION = "pdf-viewer-white-flash";
export declare const RESERVED_CONTROL_BAR_SPACE = 70;
export declare const RESERVED_TOP_SPACE = 32;
export declare const ZOOM_MIN = 1;
export declare const ZOOM_MAX = 3;
export declare const ZOOM_STEP_IN = 1.25;
export declare const ZOOM_STEP_OUT = 0.75;
export declare const ZOOM_INTENSITY_MOUSE = 1.1;
export declare const ZOOM_INTENSITY_TRACKPAD = 1.01;
export declare const TRACKPAD_DELTA_Y_THRESHOLD = 10;