import { ElementRef, OnChanges, SimpleChanges } from '@angular/core';
import { DomSanitizer } from '@angular/platform-browser';
export declare class CodeSnippetDirective implements OnChanges {
    private sanitizer;
    code: string;
    language: string;
    private readonly nativeElement;
    constructor(el: ElementRef, sanitizer: DomSanitizer);
    ngOnChanges(changes: SimpleChanges): void;
    highlightElement(code: string, languages: string[]): void;
    private setInnerHTML;
}