export declare class ChartLayoutState {
    static readonly DEFAULT_SIZE = 0;
    leftInnerAreaSize: number;
    topInnerAreaSize: number;
    bottomInnerAreaSize: number;
    rightInnerAreaSize: number;
    leftOuterAreaSize: number;
    topOuterAreaSize: number;
    bottomOuterAreaSize: number;
    rightOuterAreaSize: number;
    clear(): void;
}