import { PluginListenerHandle } from "@capacitor/core";
import { DCEFrame } from "dynamsoft-camera-enhancer";
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>;
    startCamera(): Promise<void>;
    stopCamera(): Promise<void>;
    pauseCamera(): Promise<void>;
    resumeCamera(): Promise<void>;
    /**
    * take a snapshot as base64.
    */
    takeSnapshot(options: {
        quality?: number;
    }): Promise<{
        base64: string;
    }>;
    /**
    * take a snapshot as DCEFrame. Web Only
    */
    takeSnapshot2(): Promise<{
        frame: DCEFrame;
    }>;
    takePhoto(): Promise<{
        base64: string;
    }>;
    toggleTorch(options: {
        on: boolean;
    }): Promise<void>;
    requestCameraPermission(): Promise<void>;
    isOpen(): Promise<{
        isOpen: boolean;
    }>;
    addListener(eventName: 'onPlayed', listenerFunc: onPlayedListener): Promise<PluginListenerHandle> & PluginListenerHandle;
    removeAllListeners(): Promise<void>;
}
export declare type onPlayedListener = (result: {
    resolution: string;
}) => 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
}