/**
 * Provide customisations for how a backend should handle a DragSource and
 * display items dragged from it. See {@link DragSource#connectDragSource}.
 */
export interface DragSourceOptions {
    /**
     * A string. By default, 'move'. In the browsers that support this
     * feature, specifying 'copy' shows a special "copying" cursor, while 'move'
     * corresponds to the "move" cursor. You might want to use this option to
     * provide a hint to the user about whether an action is destructive.
     */
    dropEffect?: 'copy' | 'move' | 'link' | 'none';
}
/**
 * Provide options for how to render a drag preview. See {@link DragSource#connectDragPreview}.
 */
export interface DragPreviewOptions {
    /**
     * By default, false. If true, the component will learn that it is being
     * dragged immediately as the drag starts instead of the next tick. This
     * means that the screenshotting would occur with `monitor.isDragging()`
     * already being true, and if you apply any styling like a decreased opacity
     * to the dragged element, this styling will also be reflected on the
     * screenshot. This is rarely desirable, so false is a sensible default.
     * However, you might want to set it to true in rare cases, such as if you
     * want to make the custom drag layers work in IE and you need to hide the
     * original element without resorting to an empty drag preview which IE
     * doesn't support.
     */
    captureDraggingState?: boolean;
    /**
     * A number between 0 and 1. By default, 0.5. Specifies how the
     * offset relative to the drag source node is translated into the the
     * horizontal offset of the drag preview when their sizes don't match.
     * 0 means "dock the preview to the left", 0.5 means "interpolate linearly"
     * and 1 means "dock the preview to the right".
     */
    anchorX?: number;
    /**
     * A number between 0 and 1. By default, 0.5. Specifies how the
     * offset relative to the drag source node is translated into the the
     * vertical offset of the drag preview when their sizes don't match. 0 means
     * "dock the preview to the top, 0.5 means "interpolate linearly" and
     * 1 means "dock the preview to the bottom."
     */
    anchorY?: number;
    /**
     * By default, null. Specifies the vertical offset between the cursor and
     * the drag preview element. If `offsetX` has a value, `anchorX` won't be
     * used.
     */
    offsetX?: number;
    /**
     * By default, null. Specifies the vertical offset between the cursor and
     * the drag preview element. If `offsetY` has a value, `anchorY` won't be
     * used.
     */
    offsetY?: number;
}
/** @ignore Connects a drop target to a DOM element */
export interface DropTargetConnector {
    dropTarget(elementOrNode: any): void;
}
/**
 * @ignore
 * Connects a drag source to a DOM element, either as the source itself or as a drag preview
 */
export interface DragSourceConnector {
    /**
     * This connects a DOM `element` or node as a drag source. You may use an
     * `ElementRef.nativeElement`, or even an
     * [`Image`](https://developer.mozilla.org/en-US/docs/Web/API/HTMLImageElement/Image).
     */
    dragSource(elementOrNode: any, options?: DragSourceOptions): void;
    dragPreview(elementOrNode: any, options?: DragPreviewOptions): void;
}