import React, { FC, ReactNode } from "react";
import { moduleConfig } from "../../util/configs";
import { ClearHistory } from "../../util";
import type { RomaineState, PushHistory, SetCropPoints } from "../../util";
import type { OpenCV } from "../../types/openCV";
declare global {
    interface Window {
        cv: OpenCV;
        Module: typeof moduleConfig;
    }
}
export interface RomaineContext {
    loaded: boolean;
    cv: OpenCV;
    romaine: RomaineState & {
        clearHistory: ClearHistory;
    };
    setImage: React.Dispatch<React.SetStateAction<string | File | null>>;
    setMode?: (mode: RomaineState["mode"]) => void;
    setAngle?: (angle: RomaineState["angle"]) => void;
    setScale?: (scale: RomaineState["scale"]) => void;
    setCropPoints: SetCropPoints;
    pushHistory?: PushHistory;
    undo: PushHistory;
    redo: PushHistory;
    updateImageInformation?: (imageInformation: RomaineState["image"]) => void;
}
declare const OpenCvContext: React.Context<RomaineContext>;
declare const OpenCvConsumer: React.Consumer<RomaineContext>;
export interface ROMAINE {
    openCvPath?: string;
    onLoad?: (openCv: OpenCV) => void;
    children?: ReactNode;
    /** Angle to use when rotating images @default 90 */
    angle?: number;
}
/**
 * a romaine context for use in getting openCV and the canvas ref element
 * @todo
 * 1) Add ref to provider
 * 2) See if nonce is really required here
 */
declare const Romaine: FC<ROMAINE>;
export { OpenCvConsumer, OpenCvContext, Romaine };
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