import type ImageEditInfo from '../types/ImageEditInfo';
/**
 * @internal
 * State of an edit info object for image editing.
 * It is returned by checkEditInfoState() function
 */
export declare const enum ImageEditInfoState {
    /**
     * Invalid edit info. It means the given edit info object is either null,
     * or not all its member are of correct type
     */
    Invalid = 0,
    /**
     * The edit info shows that it is only potentially edited by resizing action.
     * Image is not rotated or cropped, or event not changed at all.
     */
    ResizeOnly = 1,
    /**
     * When compare with another edit info, this value can be returned when both current
     * edit info and the other one are not been rotated, and they have same cropping
     * percentages. So that they can share the same image src, only width and height
     * need to be adjusted.
     */
    SameWithLast = 2,
    /**
     * When this value is returned, it means the image is edited by either cropping or
     * rotation, or both. Image source can't be reused, need to generate a new image src
     * data uri.
     */
    FullyChanged = 3
}
/**
 * @internal
 * Check the state of an edit info
 * @param editInfo The edit info to check
 * @param compareTo An optional edit info to compare to
 * @returns If the source edit info is not valid (wrong type, missing field, ...), returns Invalid.
 * If the source edit info doesn't contain any rotation or cropping, returns ResizeOnly
 * If the compare edit info exists, and both of them don't contain rotation, and the have same cropping values,
 * returns SameWithLast. Otherwise, returns FullyChanged
 */
export default function checkEditInfoState(editInfo: ImageEditInfo, compareTo?: ImageEditInfo): ImageEditInfoState;