export declare const DEFAULT_LANG: "en";
export declare const DESTROYED_ERR_MSG = "[@pdfme/ui] this instance is already destroyed";
export declare const SELECTABLE_CLASSNAME = "selectable";
export declare const RULER_HEIGHT = 30;
export declare const PAGE_GAP = 10;
export declare const RIGHT_SIDEBAR_WIDTH = 400;
export declare const BACKGROUND_COLOR = "rgb(74, 74, 74)";