import { ChildProperty } from '@syncfusion/ej2-base';
/**
 * Holds the configuration of columns in kanban board.
 */
export declare class Columns extends ChildProperty<Columns> {
    /**
     * Defines the column keyField. It supports both number and string type.
     * String type supports the multiple column keys and number type does not support the multiple column keys.
     *
     * @default null
     */
    keyField: string | number;
    /**
     * Defines the column header title
     *
     * @default null
     */
    headerText: string;
    /**
     * Defines the column template
     *
     * @default null
     * @aspType string
     */
    template: string | Function;
    /**
     * Enable or disable toggle column
     *
     * @default false
     */
    allowToggle: boolean;
    /**
     * Defines the collapsed or expandable state
     *
     * @default true
     */
    isExpanded: boolean;
    /**
     * Defines the minimum card count in column
     *
     * @default null
     * @aspType int
     */
    minCount: number;
    /**
     * Defines the maximum card count in column
     *
     * @default null
     * @aspType int
     */
    maxCount: number;
    /**
     * Enable or disable card count in column
     *
     * @default true
     */
    showItemCount: boolean;
    /**
     * Enable or disable cell add button
     *
     * @default false
     */
    showAddButton: boolean;
    /**
     * Enable or disable column drag
     *
     * @default true
     */
    allowDrag: boolean;
    /**
     * Enable or disable column drop
     *
     * @default true
     */
    allowDrop: boolean;
    /**
     * Defines the column transition
     *
     * @default []
     */
    transitionColumns: string[];
}