/**
 * IMPORTANT:
 * This utils are taken from the project: https://github.com/STRML/react-grid-layout.
 * The code should be as less modified as possible for easy maintenance.
 */
export type LayoutItem = {
    w: number;
    h: number;
    x: number;
    y: number;
    id: string;
    minW?: number;
    minH?: number;
    maxW?: number;
    maxH?: number;
    moved?: boolean;
    static?: boolean;
    isDraggable?: boolean | null | undefined;
    isResizable?: boolean | null | undefined;
};
export type Layout = Array<LayoutItem>;
export type Position = {
    left: number;
    top: number;
    width: number;
    height: number;
};
export type ReactDraggableCallbackData = {
    node: HTMLElement;
    x?: number;
    y?: number;
    deltaX: number;
    deltaY: number;
    lastX?: number;
    lastY?: number;
};
export type PartialPosition = {
    left: number;
    top: number;
};
export type DroppingPosition = {
    x: number;
    y: number;
    e: Event;
};
export type Size = {
    width: number;
    height: number;
};
export type GridDragEvent = {
    e: Event;
    node: HTMLElement;
    newPosition: PartialPosition;
};
export type GridResizeEvent = {
    e: Event;
    node: HTMLElement;
    size: Size;
};
export type DragOverEvent = MouseEvent & {
    nativeEvent: {
        layerX: number;
        layerY: number;
        target: {
            className: String;
        };
    };
};
export type EventCallback = (arg0: Layout, oldItem: LayoutItem | null | undefined, newItem: LayoutItem | null | undefined, placeholder: LayoutItem | null | undefined, arg4: Event, arg5: HTMLElement | null | undefined) => void;
export type CompactType = ('horizontal' | 'vertical') | null | undefined;
/**
 * Return the bottom coordinate of the layout.
 *
 * @param  {Array} layout Layout array.
 * @return {Number}       Bottom coordinate.
 */
export declare function bottom(layout: Layout): number;
export declare function cloneLayout(layout: Layout): Layout;
/** NOTE: This code has been modified from the original source */
export declare function cloneLayoutItem(layoutItem: LayoutItem): LayoutItem;
/**
 * Given two layoutitems, check if they collide.
 */
export declare function collides(l1: LayoutItem, l2: LayoutItem): boolean;
/**
 * Given a layout, compact it. This involves going down each y coordinate and removing gaps
 * between items.
 *
 * @param  {Array} layout Layout.
 * @param  {Boolean} verticalCompact Whether or not to compact the layout
 *   vertically.
 * @return {Array}       Compacted Layout.
 */
export declare function compact(layout: Layout, compactType: CompactType, cols: number): Layout;
/**
 * Compact an item in the layout.
 */
export declare function compactItem(compareWith: Layout, l: LayoutItem, compactType: CompactType, cols: number, fullLayout: Layout, multipleStaticItems?: boolean): LayoutItem;
/**
 * Given a layout, make sure all elements fit within its bounds.
 *
 * @param  {Array} layout Layout array.
 * @param  {Number} bounds Number of columns.
 */
export declare function correctBounds(layout: Layout, bounds: {
    cols: number;
}): Layout;
/**
 * Get a layout item by ID. Used so we can override later on if necessary.
 *
 * @param  {Array}  layout Layout array.
 * @param  {String} id     ID
 * @return {LayoutItem}    Item at ID.
 */
export declare function getLayoutItem(layout: Layout, id: string): LayoutItem | null | undefined;
/**
 * Returns the first item this layout collides with.
 * It doesn't appear to matter which order we approach this from, although
 * perhaps that is the wrong thing to do.
 *
 * @param  {Object} layoutItem Layout item.
 * @return {Object|undefined}  A colliding layout item, or undefined.
 */
export declare function getFirstCollision(layout: Layout, layoutItem: LayoutItem): LayoutItem | null | undefined;
export declare function getAllCollisions(layout: Layout, layoutItem: LayoutItem): Array<LayoutItem>;
/**
 * Get all static elements.
 * @param  {Array} layout Array of layout objects.
 * @return {Array}        Array of static layout items..
 */
export declare function getStatics(layout: Layout): Array<LayoutItem>;
/**
 * Move an element. Responsible for doing cascading movements of other elements.
 *
 * @param  {Array}      layout            Full layout to modify.
 * @param  {LayoutItem} l                 element to move.
 * @param  {Number}     [x]               X position in grid units.
 * @param  {Number}     [y]               Y position in grid units.
 */
export declare function moveElement(layout: Layout, l: LayoutItem, x: number | null | undefined, y: number | null | undefined, isUserAction: boolean | null | undefined, preventCollision: boolean | null | undefined, compactType: CompactType, cols: number): Layout;
/**
 * This is where the magic needs to happen - given a collision, move an element away from the collision.
 * We attempt to move it up if there's room, otherwise it goes below.
 *
 * @param  {Array} layout            Full layout to modify.
 * @param  {LayoutItem} collidesWith Layout item we're colliding with.
 * @param  {LayoutItem} itemToMove   Layout item we're moving.
 */
export declare function moveElementAwayFromCollision(layout: Layout, collidesWith: LayoutItem, itemToMove: LayoutItem, isUserAction: boolean | null | undefined, compactType: CompactType, cols: number): Layout;
/**
 * Helper to convert a number to a percentage string.
 *
 * @param  {Number} num Any number
 * @return {String}     That number as a percentage.
 */
export declare function perc(num: number): string;
export declare function setTransform({ top, left, width, height }: Position): Object;
export declare function setTopLeft({ top, left, width, height }: Position): Object;
/**
 * Get layout items sorted from top left to right and down.
 *
 * @return {Array} Array of layout objects.
 * @return {Array}        Layout, sorted static items first.
 */
export declare function sortLayoutItems(layout: Layout, compactType: CompactType): Layout;
export declare function sortLayoutItemsByRowCol(layout: Layout): Layout;
export declare function sortLayoutItemsByColRow(layout: Layout): Layout;
/**
 * Validate a layout. Throws errors.
 *
 * @param  {Array}  layout        Array of layout items.
 * @param  {String} [contextName] Context name for errors.
 * @throw  {Error}                Validation error.
 */
export declare function validateLayout(layout: Layout, contextName?: string): void;
export declare function autoBindHandlers(el: Object, fns: Array<string>): void;
export declare const noop: () => void;