/**
 * Attribute name used for identifying a group or tile's ID.
 */
export declare const ATTR_ID = "data-id";
/**
 * Attribute name used for indicating a tile's size.
 */
export declare const ATTR_SIZE = "data-size";
/**
 * Attribute name used for indicating that a pointer is actively dragging a group or tile.
 */
export declare const ATTR_DRAGGING = "data-dragging";
/**
 * Attribute name used for indicating that a tile is checked.
 */
export declare const ATTR_CHECKED = "data-checked";
/**
 * Attribute name used for indicating that a tile
 * is about to be removed from the DOM.
 */
export declare const ATTR_REMOVING = "data-removing";