import * as i0 from "@angular/core";
export interface HighlightTransformResult {
    text: string;
    changed: boolean;
}
export declare class HighlightTransformService {
    /**
     * Searches for `search` string(s) within `text` and highlights all occurrences.
     *
     * @param text Text to search within
     * @param search Text pattern to search for
     * @param wrapperClass CSS class used to provide highlighting style
     * @returns New text along with boolean value to indicate whether anything was highlighted
     */
    highlight(text: string, search: string, wrapperClass?: string): HighlightTransformResult;
    private removeHtmlTags;
    static ɵfac: i0.ɵɵFactoryDeclaration<HighlightTransformService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<HighlightTransformService>;
}