interface StorageInfo {
    [key: keyof any]: PersistenceInfo;
}
interface PersistenceInfo {
    [key: keyof any]: number;
}
export declare class ColPersistence {
    tableKey: string;
    storage?: StorageInfo;
    get persistence(): PersistenceInfo | undefined;
    constructor(tableKey: string);
    /**
     * @param colKey 列标识
     * @param colWidth 列宽
     */
    update(colKey: string, colWidth: number): void;
}
export declare function getPersistenceKey(col: {
    key?: string;
    title: string;
}): string;
export {};