import { Position } from '../types/items';
type URLParamKey = 'googleMap' | 'directionMap' | 'staticStreetView' | 'streetView' | 'qrCodeMap' | 'qrCodeDirection';
interface URLParams {
    address?: string | undefined;
    size?: Partial<Position>;
    key: URLParamKey;
}
export declare function copyObject<T>(obj: T): T;
export declare function isAddressBoxPlaceholderVisibleInCanvas(addressBox?: {
    visible?: boolean;
    isAddressBoxPlaceholderVisibleInCanvas?: boolean;
}): boolean;
export declare function getAddressBoxWidthIn(size?: {
    w?: number;
    h?: number;
}, addressBox?: {
    width?: number;
} & Record<string, unknown>): number;
export declare function getURL({ address, size, key }: URLParams): string;
export declare function capitalize(s: string): string;
/** Pulls the raw URL out of a CSS `url(...)` background-image value. */
export declare function extractUrl(bgImage?: string | null): string | null;
/**
 * Turns the stored background-size / background-position into valid CSS to emit verbatim.
 * New crops store "Npx Npx" (already valid). Imported templates carry `center`/`calc(...)`/keywords
 * (also valid) → passed through untouched. Only a legacy in-memory bare "x y" center-offset pair
 * (never valid CSS) is converted to the `calc(50% ± px)` form for backward compatibility.
 */
export declare function toBackgroundCss(backgroundSize?: string | null, backgroundPosition?: string | null): {
    size: string;
    position: string;
};
/**
 * Derives the crop rectangle (image box, in canvas-local px, top-left origin) from the current
 * background state. Handles the literal "Npx Npx" form as well as legacy keyword sizes
 * (cover/contain/auto) and `center`/`calc(...)`/bare-offset positions.
 */
export declare function initCropRect(state: {
    backgroundSize?: string | null;
    backgroundPosition?: string | null;
}, frame: {
    w: number;
    h: number;
}, natural?: {
    w: number;
    h: number;
}): {
    posX: number;
    posY: number;
    imgW: number;
    imgH: number;
};
export {};