import type { ColumnIconOption } from '../ts-types';
export declare const icons: {
    [key: string]: ColumnIconOption;
};
export declare class IconCache {
    private static cache;
    static setIcon(key: string, icon: ColumnIconOption): void;
    static getIcon(key: string): ColumnIconOption | null;
    static hasIcon(key: string): boolean;
    static clear(key: string): boolean;
    static clearAll(): void;
}