import type { CoreCanvas, PlatformProvider } from "./core/platform.js";
import type { DetectionResult } from "./detection/base.interface.js";
/**
 * Aligns and crops a face from an image based on detection results
 * @param image - Input image as ArrayBuffer or Canvas
 * @param detection - Face detection result containing landmarks and bounding box
 * @param platform - Platform provider for cross-platform canvas operations
 * @returns Cropped and aligned face canvas
 */
export declare function alignAndCropFace(image: ArrayBuffer | CoreCanvas, detection: DetectionResult, platform: PlatformProvider): Promise<CoreCanvas>;
/**
 * Rotates face to align eyes horizontally
 * @param canvas - Input canvas containing the face
 * @param detection - Face detection result with landmarks
 * @param platform - Platform provider for cross-platform canvas operations
 * @returns Aligned canvas and updated detection result
 */
export declare function alignFace(canvas: CoreCanvas, detection: DetectionResult, platform: PlatformProvider): {
    canvas: CoreCanvas;
    detection: DetectionResult;
};
/**
 * Crops face region from canvas based on bounding box
 * @param canvas - Input canvas
 * @param detection - Detection result with bounding box
 * @param platform - Platform provider for cross-platform canvas operations
 * @returns Cropped face canvas
 */
export declare function cropFace(canvas: CoreCanvas, detection: DetectionResult, platform: PlatformProvider): CoreCanvas;