/**
 * Copyright (c) Microblink Ltd. All rights reserved.
 */
import { Recognizer, RecognizerResult, WasmSDK, ImageOrientation } from "../MicroblinkSDK/DataStructures";
/**
 * The result object of the SuccessFrameGrabberRecognizer.
 */
export interface SuccessFrameGrabberRecognizerResult extends RecognizerResult {
    /**
     * Camera frame on which given recognizer's result ha become valid.
     * If given recognizer's result never became valid, contains null.
     */
    readonly successFrame: ImageData | null;
    /**
     * Orientation of the success frame.
     */
    readonly frameOrientation: ImageOrientation;
}
/**
 * Recognizer that can wrap another recognizer and capture the frame on which
 * the wrapped recognizer has succeeded to recognize.
 */
export interface SuccessFrameGrabberRecognizer<T extends Recognizer> extends Recognizer {
    /**
     * Reference to recognizer that is being wrapped by this
     * SuccessFrameGrabberRecognizer.
     */
    readonly wrappedRecognizer: T;
    /**
     * Returns the current result of the recognition. Note that result will not
     * contain the result of the wrapped recognizer. To obtain that result, call
     * getResult on wrapped recognizer.
     */
    getResult(): Promise<SuccessFrameGrabberRecognizerResult>;
    /**
     * Cleans up the object from the WebAssembly heap.
     */
    delete(): Promise<void>;
}
/**
 * Creates a new instance of `SuccessFrameGrabberRecognizer`.
 * @param wasmSDK Instance of WasmSDK which will be used to communicate with the
 *        WebAssembly module.
 * @param slaveRecognizer Instance of Recognizer that will be wrapped.
 */
export declare function createSuccessFrameGrabberRecognizer<T extends Recognizer>(wasmSDK: WasmSDK, slaveRecognizer: T): Promise<SuccessFrameGrabberRecognizer<T>>;