export declare class BorderPart {
    color?: string;
    width?: number;
}
export declare class Border {
    right?: BorderPart;
    left?: BorderPart;
    top?: BorderPart;
    bottom?: BorderPart;
}
export default class CellStyle {
    fillColor?: string;
    textColor?: string;
    fontSize?: number;
    border: Border;
    constructor(border?: Border);
}