export declare class HeadingTagUtils {
    static getHeadingTag(texts: any, prop: string, fallback?: string): string;
    static getHeadingContent(texts: any, prop: string, fallback?: any): string;
    static hasHeadingTag(texts: any, prop: string): boolean;
    static hasHeadingContent(texts: any, prop: string, fallback?: any): boolean;
    private static getTextContent;
    private static normalizeTag;
}