import { Group } from "../group";
import { Component } from "./Component";
export declare enum FlexDirection {
    ROW = 0,
    COLUMN = 1
}
export declare class FlexGroup extends Component<Group> {
    private _active;
    private _applyingLayout;
    private _direction;
    get direction(): FlexDirection;
    set direction(val: FlexDirection);
    private _gap;
    get gap(): number;
    set gap(val: number);
    awake(): void;
    private handleResize;
    private handleChildAdded;
    private handleChildRemoved;
    private handleChildResize;
    private bindChild;
    private unbindChild;
    private markResize;
    resize: () => void;
    onDestroy(): void;
}