export declare const enum Orientation {
    TopLeft = 1,
    TopRight = 2,
    BottomRight = 3,
    BottomLeft = 4,
    LeftTop = 5,
    RightTop = 6,
    RightBottom = 7,
    LeftBottom = 8
}
/**
 * Parses JPEG EXIF metadata and returns Orientation tag of it, or undefined if not applicable.
 *
 * Adopted from https://stackoverflow.com/a/32490603
 *
 * @internal
 * @param data JPEG binary.
 * @returns Orientation tag value or undefined.
 */
export declare function extractJpegOrientationTag(data: ArrayBuffer): Orientation | undefined;
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