export default class TreeGridData extends GridData {
    /**
     * Sets the orientation
     * @access public
     * @param {String} str - "horizontal" for a horizontal tree
     * "vertical" for a vertical tree
     * undefined to unset this field
     */
    set orientation(arg: string);
    /**
     * Retrieves the orientation
     * @access public
     * @returns  {String} str "horizontal" for a horizontal tree
     * "vertical" for a vertical tree
     * undefined if the field is unset
     */
    get orientation(): string;
    /**
     * Sets whether user input is required or not
     * @access public
     * @param {boolean} value - true if the element is required, false otherwise,
     * undefined to unset this field
     */
    set required(arg: boolean);
    /**
     * Retrieves whether user input is required or not
     * @access public
     * @returns {boolean} true if the element is required, false otherwise,
     * undefined if this field is unset
     */
    get required(): boolean;
    /**
     * Finds a row DisplayObject that is previous to the specified one, visible,
     * and is a minimally higher level conceptually (which means a lower number
     * for the level property of the corresponding RowData instance)
     * @access private
     *
     * @param {!createjs.DisplayObject} rowDisplayObject - DisplayObject to find
     * the higher level row relative to
     * @returns {?TargetData} target data for the higher level visible row's DisplayObject,
     * null if no match is found
     */
    _findPrevRowAtHigherLevel(rowDisplayObject: createjs.DisplayObject): TargetData;
    /**
     * @inheritdoc
     */
    _updateTargetDataLeft(targetData: any): boolean;
    /**
     * @inheritdoc
     */
    _updateTargetDataRight(targetData: any): boolean;
    /**
     * @inheritdoc
     */
    _updateTargetDataUp(targetData: any): boolean;
    /**
     * @inheritdoc
     */
    _updateTargetDataDown(targetData: any): boolean;
    /**
     * @inheritdoc
     */
    _searchRow(id: any, rowDisplayObject: any, sectionIndex: any, rowIndex: any): {
        displayObject: any;
        sectionIndex: any;
        rowIndex: any;
        colIndex: number;
        cellChildIndex: number;
    };
    /**
     * @inheritdoc
     */
    _findNextTarget(targetData: any): createjs.DisplayObject;
    /**
     * @inheritdoc
     */
    _focusToNextTarget(nextTarget: any, targetData: any, evt: any): void;
}
import GridData from "./GridData";