export declare class IconHandler {
    constructor();
    contents: any[];
    icons: {
        check: string;
        'check-circle': string;
        'check-circle-o': string;
        cross: string;
        'cross-circle': string;
        'cross-circle-o': string;
        left: string;
        right: string;
        down: string;
        up: string;
        loading: string;
        search: string;
        ellipsis: string;
        'ellipsis-circle': string;
        'exclamation-circle': string;
        'info-circle': string;
        'question-circle': string;
        voice: string;
        plus: string;
        minus: string;
        dislike: string;
        fail: string;
        success: string;
    };
    renderSvgSprite(): string;
    load(): void;
}