/**
 * Client-side image processing utilities using the Canvas API.
 * These are browser-only utilities — they will throw if called during SSR.
 */
export interface ProcessImageOptions {
    maxWidth?: number;
    maxHeight?: number;
    quality?: number;
    format?: 'image/webp' | 'image/jpeg' | 'image/png';
    /** Trim near-white/near-transparent edges before resizing (default: false) */
    trim?: boolean;
    /** 0–255 tolerance for what counts as "white" (default: 10) */
    trimThreshold?: number;
}
export interface CropRegion {
    x: number;
    y: number;
    width: number;
    height: number;
}
/** Load an image element from a src URL (data URL, blob URL, or regular URL) */
export declare function loadImage(src: string): Promise<HTMLImageElement>;
/** Convert a File to a base64 data URL */
export declare function fileToDataUrl(file: File): Promise<string>;
/**
 * Crop a full-resolution source image using natural pixel coordinates, then resize and convert.
 * Use this instead of getCroppedImage() from Ark UI which outputs at CSS/display resolution.
 */
export declare function cropImage(src: string, crop: CropRegion, opts?: ProcessImageOptions): Promise<Blob>;
/** Resize and convert an image without cropping, returns a Blob */
export declare function processImage(src: string, opts?: ProcessImageOptions): Promise<Blob>;