export interface CameraOptions {
    /** Picture quality in range 0-100. Default is 50 */
    quality?: number;
    /**
     * Choose the format of the return value.
     * Defined in Camera.DestinationType. Default is FILE_URI.
     *      DATA_URL : 0,   Return image as base64-encoded string,
     *      FILE_URI : 1,   Return image file URI,
     *      NATIVE_URI : 2  Return image native URI
     *          (e.g., assets-library:// on iOS or content:// on Android)
     */
    destinationType?: number;
    /**
     * Set the source of the picture.
     * Defined in Camera.PictureSourceType. Default is CAMERA.
     *      PHOTOLIBRARY : 0,
     *      CAMERA : 1,
     *      SAVEDPHOTOALBUM : 2
     */
    sourceType?: number;
    /** Allow simple editing of image before selection. */
    allowEdit?: boolean;
    /**
     * Choose the returned image file's encoding.
     * Defined in Camera.EncodingType. Default is JPEG
     *      JPEG : 0    Return JPEG encoded image
     *      PNG : 1     Return PNG encoded image
     */
    encodingType?: number;
    /**
     * Width in pixels to scale image. Must be used with targetHeight.
     * Aspect ratio remains constant.
    */
    targetWidth?: number;
    /**
     * Height in pixels to scale image. Must be used with targetWidth.
     * Aspect ratio remains constant.
     */
    targetHeight?: number;
    /**
     * Set the type of media to select from. Only works when PictureSourceType
     * is PHOTOLIBRARY or SAVEDPHOTOALBUM. Defined in Camera.MediaType
     *      PICTURE: 0      allow selection of still pictures only. DEFAULT.
     *          Will return format specified via DestinationType
     *      VIDEO: 1        allow selection of video only, WILL ALWAYS RETURN FILE_URI
     *      ALLMEDIA : 2    allow selection from all media types
     */
    mediaType?: number;
    /** Rotate the image to correct for the orientation of the device during capture. */
    correctOrientation?: boolean;
    /** Save the image to the photo album on the device after capture. */
    saveToPhotoAlbum?: boolean;
    /**
     * Choose the camera to use (front- or back-facing).
     * Defined in Camera.Direction. Default is BACK.
     *      BACK: 0
     *      FRONT: 1
     */
    cameraDirection?: number;
    /** iOS-only options that specify popover location in iPad. Defined in CameraPopoverOptions. */
    popoverOptions?: CameraPopoverOptions;
}
/**
 * iOS-only parameters that specify the anchor element location and arrow direction
 * of the popover when selecting images from an iPad's library or album.
 */
export interface CameraPopoverOptions {
    x: number;
    y: number;
    width: number;
    height: number;
    /**
     * Direction the arrow on the popover should point. Defined in Camera.PopoverArrowDirection
     * Matches iOS UIPopoverArrowDirection constants.
     *      ARROW_UP : 1,
     *      ARROW_DOWN : 2,
     *      ARROW_LEFT : 4,
     *      ARROW_RIGHT : 8,
     *      ARROW_ANY : 15
     */
    arrowDir: number;
}
/**
 * @name Camera
 * @description
 * Take a photo or capture video.
 *
 * Requires {@link module:driftyco/ionic-native} and the Cordova plugin: `cordova-plugin-camera`. For more info, please see the [Cordova Camera Plugin Docs](https://github.com/apache/cordova-plugin-camera).
 *
 * @usage
 * ```typescript
 * import { Camera } from 'ionic-native';
 *
 *
 * Camera.getPicture(options).then((imageData) => {
 *  // imageData is either a base64 encoded string or a file URI
 *  // If it's base64:
 *  let base64Image = 'data:image/jpeg;base64,' + imageData;
 * }, (err) => {
 *  // Handle error
 * });
 * ```
 * @interfaces
 * CameraOptions
 * CameraPopoverOptions
 */
export declare class Camera {
    /**
     * @private
     * @enum {number}
     */
    static DestinationType: {
        DATA_URL: number;
        FILE_URI: number;
        NATIVE_URI: number;
    };
    /**
     * @private
     * @enum {number}
     */
    static EncodingType: {
        JPEG: number;
        PNG: number;
    };
    /**
     * @private
     * @enum {number}
     */
    static MediaType: {
        PICTURE: number;
        VIDEO: number;
        ALLMEDIA: number;
    };
    /**
     * @private
     * @enum {number}
     */
    static PictureSourceType: {
        PHOTOLIBRARY: number;
        CAMERA: number;
        SAVEDPHOTOALBUM: number;
    };
    /**
     * @private
     * Matches iOS UIPopoverArrowDirection constants to specify arrow location on popover.
     * @enum {number}
     */
    static PopoverArrowDirection: {
        ARROW_UP: number;
        ARROW_DOWN: number;
        ARROW_LEFT: number;
        ARROW_RIGHT: number;
        ARROW_ANY: number;
    };
    /**
     * @private
     * @enum {number}
     */
    static Direction: {
        BACK: number;
        FRONT: number;
    };
    /**
     * Take a picture or video, or load one from the library.
     * @param {CameraOptions?} options optional. Options that you want to pass to the camera. Encoding type, quality, etc. Platform-specific quirks are described in the [Cordova plugin docs](https://github.com/apache/cordova-plugin-camera#cameraoptions-errata-).
     * @returns {Promise<any>} Returns a Promise that resolves with Base64 encoding of the image data, or the image file URI, depending on cameraOptions, otherwise rejects with an error.
     */
    static getPicture(options?: CameraOptions): Promise<any>;
    /**
     * Remove intermediate image files that are kept in temporary storage after calling camera.getPicture.
     * Applies only when the value of Camera.sourceType equals Camera.PictureSourceType.CAMERA and the Camera.destinationType equals Camera.DestinationType.FILE_URI.
     * @returns {Promise<any>}
     */
    static cleanup(): Promise<any>;
}