import type { OperationResult, RequiredOptions } from "../index";
import { cv } from "../index";
declare module "../index" {
    interface RegisteredOperations {
        rotate: RotateOptions;
    }
}
export interface RotateOptions extends RequiredOptions {
    /** Angle of rotation in degrees (positive for counter-clockwise) */
    angle: number;
    /** Optional center of rotation. Defaults to the image center. */
    center?: cv.Point;
}
export declare function rotate(img: cv.Mat, options: RotateOptions): OperationResult;