import { PluginListenerHandle } from "@capacitor/core";
export interface CameraPreviewPlugin {
    initialize(): Promise<void>;
    getResolution(): Promise<{
        resolution: string;
    }>;
    setResolution(options: {
        resolution: number;
    }): Promise<void>;
    getAllCameras(): Promise<{
        cameras: string[];
    }>;
    getSelectedCamera(): Promise<{
        selectedCamera: string;
    }>;
    selectCamera(options: {
        cameraID: string;
    }): Promise<void>;
    setScanRegion(options: {
        region: ScanRegion;
    }): Promise<void>;
    setZoom(options: {
        factor: number;
    }): Promise<void>;
    setFocus(options: {
        x: number;
        y: number;
    }): Promise<void>;
    /**
    * Web Only
    */
    setDefaultUIElementURL(url: string): Promise<void>;
    /**
    * Web Only
    */
    setElement(ele: HTMLElement): Promise<void>;
    startCamera(): Promise<void>;
    stopCamera(): Promise<void>;
    /**
    * take a snapshot as base64.
    */
    takeSnapshot(options: {
        quality?: number;
    }): Promise<{
        base64: string;
    }>;
    /**
    * save a frame internally. Android and iOS only.
    */
    saveFrame(): Promise<{
        success: boolean;
    }>;
    /**
    * take a snapshot on to a canvas. Web Only
    */
    takeSnapshot2(options: {
        canvas: HTMLCanvasElement;
        maxLength?: number;
    }): Promise<{
        scaleRatio?: number;
    }>;
    takePhoto(options: {
        pathToSave?: string;
        includeBase64?: boolean;
    }): Promise<{
        path?: string;
        base64?: string;
        blob?: Blob;
    }>;
    toggleTorch(options: {
        on: boolean;
    }): Promise<void>;
    /**
    * get the orientation of the device.
    */
    getOrientation(): Promise<{
        "orientation": "PORTRAIT" | "LANDSCAPE";
    }>;
    startRecording(): Promise<void>;
    stopRecording(options: {
        includeBase64?: boolean;
    }): Promise<{
        path?: string;
        base64?: string;
        blob?: Blob;
    }>;
    setLayout(options: {
        top: string;
        left: string;
        width: string;
        height: string;
    }): Promise<void>;
    requestCameraPermission(): Promise<void>;
    requestMicroPhonePermission(): Promise<void>;
    isOpen(): Promise<{
        isOpen: boolean;
    }>;
    addListener(eventName: 'onPlayed', listenerFunc: onPlayedListener): Promise<PluginListenerHandle>;
    addListener(eventName: 'onOrientationChanged', listenerFunc: onOrientationChangedListener): Promise<PluginListenerHandle>;
    removeAllListeners(): Promise<void>;
}
export declare type onPlayedListener = (result: {
    resolution: string;
}) => void;
export declare type onOrientationChangedListener = () => void;
/**
 * measuredByPercentage: 0 in pixel, 1 in percent
 */
export interface ScanRegion {
    left: number;
    top: number;
    right: number;
    bottom: number;
    measuredByPercentage: number;
}
export declare enum EnumResolution {
    RESOLUTION_AUTO = 0,
    RESOLUTION_480P = 1,
    RESOLUTION_720P = 2,
    RESOLUTION_1080P = 3,
    RESOLUTION_2K = 4,
    RESOLUTION_4K = 5
}